diff --git a/.gitignore b/.gitignore
index aae2eb0..7cc5d46 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 *~
 locale/*
 __pycache__/
+.idea
\ No newline at end of file
diff --git a/.idea/manjaro-hello.iml b/.idea/manjaro-hello.iml
new file mode 100644
index 0000000..6711606
--- /dev/null
+++ b/.idea/manjaro-hello.iml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+  <component name="TestRunnerService">
+    <option name="PROJECT_TEST_RUNNER" value="Unittests" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..8656114
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.7" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..75718e6
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/manjaro-hello.iml" filepath="$PROJECT_DIR$/.idea/manjaro-hello.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 0000000..eef1ec8
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,724 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="1878e107-6f19-4cdd-96ac-cf56d1731299" name="Default Changelist" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+    </list>
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FUSProjectUsageTrigger">
+    <session id="1179412992">
+      <usages-collector id="statistics.lifecycle.project">
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+          <entry key="project.open.time.0" value="5" />
+          <entry key="project.open.time.4" value="2" />
+          <entry key="project.open.time.5" value="3" />
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+          <entry key="project.open.time.7" value="1" />
+          <entry key="project.opened" value="13" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.extensions.open">
+        <counts>
+          <entry key="app-utility" value="2" />
+          <entry key="gitignore" value="1" />
+          <entry key="glade" value="3" />
+          <entry key="json" value="11" />
+          <entry key="py" value="75" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.types.open">
+        <counts>
+          <entry key="JSON" value="11" />
+          <entry key="PLAIN_TEXT" value="4" />
+          <entry key="Python" value="77" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.extensions.edit">
+        <counts>
+          <entry key="Python Console" value="31" />
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+          <entry key="dummy" value="388" />
+          <entry key="gitignore" value="6" />
+          <entry key="glade" value="21" />
+          <entry key="json" value="143" />
+          <entry key="py" value="4802" />
+          <entry key="txt" value="1398" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.types.edit">
+        <counts>
+          <entry key="JSON" value="143" />
+          <entry key="PLAIN_TEXT" value="1813" />
+          <entry key="Python" value="4862" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.js.language.service.starts" />
+    </session>
+  </component>
+  <component name="FileEditorManager">
+    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
+      <file pinned="false" current-in-tab="true">
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+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="1590">
+              <caret line="106" column="27" selection-start-line="106" selection-start-column="27" selection-end-line="106" selection-end-column="27" />
+              <folding>
+                <element signature="e#24#38#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="FileTemplateManagerImpl">
+    <option name="RECENT_TEMPLATES">
+      <list>
+        <option value="Python Script" />
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+    </option>
+  </component>
+  <component name="FindInProjectRecents">
+    <findStrings>
+      <find>share_dir</find>
+      <find>application</find>
+      <find>applications</find>
+      <find>appBrowser</find>
+      <find>application_browser</find>
+      <find>on_btn</find>
+    </findStrings>
+    <replaceStrings>
+      <replace>data_path</replace>
+      <replace>appBrowser</replace>
+    </replaceStrings>
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+  <component name="Git.Settings">
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+        <option value="$PROJECT_DIR$/src/applications/__init__.py" />
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+        <option value="$PROJECT_DIR$/data/preferences.json" />
+        <option value="$PROJECT_DIR$/ui/manjaro-hello.glade" />
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+  <component name="JsGulpfileManager">
+    <detection-done>true</detection-done>
+    <sorting>DEFINITION_ORDER</sorting>
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+          <expand>
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+              <item name="manjaro-hello" type="462c0819:PsiDirectoryNode" />
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+            <path>
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+              <item name="data" type="462c0819:PsiDirectoryNode" />
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+              <item name="manjaro-hello" type="462c0819:PsiDirectoryNode" />
+              <item name="ui" type="462c0819:PsiDirectoryNode" />
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+          <select />
+        </subPane>
+      </pane>
+      <pane id="Scope" />
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+  <component name="RecentsManager">
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+      <recent name="$PROJECT_DIR$/src/plugins" />
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+      <option name="number" value="00035" />
+      <option name="presentableId" value="LOCAL-00035" />
+      <option name="project" value="LOCAL" />
+      <updated>1536762559794</updated>
+    </task>
+    <task id="LOCAL-00036" summary="refactor initialize">
+      <created>1536762794077</created>
+      <option name="number" value="00036" />
+      <option name="presentableId" value="LOCAL-00036" />
+      <option name="project" value="LOCAL" />
+      <updated>1536762794077</updated>
+    </task>
+    <task id="LOCAL-00037" summary="fix signal error">
+      <created>1536764417230</created>
+      <option name="number" value="00037" />
+      <option name="presentableId" value="LOCAL-00037" />
+      <option name="project" value="LOCAL" />
+      <updated>1536764417230</updated>
+    </task>
+    <task id="LOCAL-00038" summary="debugging on getObject error">
+      <created>1536764914803</created>
+      <option name="number" value="00038" />
+      <option name="presentableId" value="LOCAL-00038" />
+      <option name="project" value="LOCAL" />
+      <updated>1536764914803</updated>
+    </task>
+    <task id="LOCAL-00039" summary="debugging getObj error">
+      <created>1536765243062</created>
+      <option name="number" value="00039" />
+      <option name="presentableId" value="LOCAL-00039" />
+      <option name="project" value="LOCAL" />
+      <updated>1536765243062</updated>
+    </task>
+    <task id="LOCAL-00040" summary="debugging getObj error">
+      <created>1536765504956</created>
+      <option name="number" value="00040" />
+      <option name="presentableId" value="LOCAL-00040" />
+      <option name="project" value="LOCAL" />
+      <updated>1536765504956</updated>
+    </task>
+    <task id="LOCAL-00041" summary="refactor fil to file">
+      <created>1536765540320</created>
+      <option name="number" value="00041" />
+      <option name="presentableId" value="LOCAL-00041" />
+      <option name="project" value="LOCAL" />
+      <updated>1536765540320</updated>
+    </task>
+    <task id="LOCAL-00042" summary="refactor to eliminate shadow">
+      <created>1536765638966</created>
+      <option name="number" value="00042" />
+      <option name="presentableId" value="LOCAL-00042" />
+      <option name="project" value="LOCAL" />
+      <updated>1536765638966</updated>
+    </task>
+    <task id="LOCAL-00043" summary="debugging AttributeError on get_object which exist">
+      <created>1536765831882</created>
+      <option name="number" value="00043" />
+      <option name="presentableId" value="LOCAL-00043" />
+      <option name="project" value="LOCAL" />
+      <updated>1536765831882</updated>
+    </task>
+    <task id="LOCAL-00044" summary="debugging get_object error">
+      <created>1536767498224</created>
+      <option name="number" value="00044" />
+      <option name="presentableId" value="LOCAL-00044" />
+      <option name="project" value="LOCAL" />
+      <updated>1536767498224</updated>
+    </task>
+    <task id="LOCAL-00045" summary="debugging get_object error">
+      <created>1536767653840</created>
+      <option name="number" value="00045" />
+      <option name="presentableId" value="LOCAL-00045" />
+      <option name="project" value="LOCAL" />
+      <updated>1536767653840</updated>
+    </task>
+    <task id="LOCAL-00046" summary="debugging get_object returning None on valid object">
+      <created>1536767721691</created>
+      <option name="number" value="00046" />
+      <option name="presentableId" value="LOCAL-00046" />
+      <option name="project" value="LOCAL" />
+      <updated>1536767721691</updated>
+    </task>
+    <task id="LOCAL-00047" summary="debugging get_object returning None on valid object">
+      <created>1536770497272</created>
+      <option name="number" value="00047" />
+      <option name="presentableId" value="LOCAL-00047" />
+      <option name="project" value="LOCAL" />
+      <updated>1536770497272</updated>
+    </task>
+    <task id="LOCAL-00048" summary="debugging get_object returning None on valid object">
+      <created>1536770929972</created>
+      <option name="number" value="00048" />
+      <option name="presentableId" value="LOCAL-00048" />
+      <option name="project" value="LOCAL" />
+      <updated>1536770929972</updated>
+    </task>
+    <task id="LOCAL-00049" summary="doh! default manjaro-hello does not contain the appBrowser button">
+      <created>1536820041782</created>
+      <option name="number" value="00049" />
+      <option name="presentableId" value="LOCAL-00049" />
+      <option name="project" value="LOCAL" />
+      <updated>1536820041782</updated>
+    </task>
+    <task id="LOCAL-00050" summary="doh! default manjaro-hello does not contain the appBrowser button">
+      <created>1536820124591</created>
+      <option name="number" value="00050" />
+      <option name="presentableId" value="LOCAL-00050" />
+      <option name="project" value="LOCAL" />
+      <updated>1536820124594</updated>
+    </task>
+    <task id="LOCAL-00051" summary="reorder lines">
+      <created>1536841615043</created>
+      <option name="number" value="00051" />
+      <option name="presentableId" value="LOCAL-00051" />
+      <option name="project" value="LOCAL" />
+      <updated>1536841615043</updated>
+    </task>
+    <option name="localTasksCounter" value="52" />
+    <servers />
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="1991" y="21" width="1398" height="965" extended-state="0" />
+    <layout>
+      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.2581361" />
+      <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
+      <window_info id="Favorites" order="2" side_tool="true" />
+      <window_info anchor="bottom" id="Message" order="0" />
+      <window_info anchor="bottom" id="Find" order="1" weight="0.32893157" />
+      <window_info anchor="bottom" id="Run" order="2" />
+      <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
+      <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
+      <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
+      <window_info anchor="bottom" id="TODO" order="6" />
+      <window_info anchor="bottom" id="Docker" order="7" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Version Control" order="8" />
+      <window_info anchor="bottom" id="Database Changes" order="9" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Terminal" order="10" visible="true" weight="0.32893157" />
+      <window_info anchor="bottom" id="Python Console" order="11" weight="0.32893157" />
+      <window_info anchor="bottom" id="Event Log" order="12" side_tool="true" />
+      <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
+      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
+      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
+      <window_info anchor="right" id="SciView" order="3" />
+      <window_info anchor="right" id="Database" order="4" />
+    </layout>
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="1" />
+  </component>
+  <component name="VcsContentAnnotationSettings">
+    <option name="myLimit" value="2678400000" />
+  </component>
+  <component name="VcsManagerConfiguration">
+    <MESSAGE value="split classes" />
+    <MESSAGE value="commit" />
+    <MESSAGE value="expand/collapse group on double click" />
+    <MESSAGE value="charm renames the imports to py - renamed" />
+    <MESSAGE value="renamed to application_browser" />
+    <MESSAGE value="refactor to import modules from application_browser" />
+    <MESSAGE value="refactor naming" />
+    <MESSAGE value="removed application utility&#10;now import from package `application_utility`" />
+    <MESSAGE value="the mess" />
+    <MESSAGE value="removed application settings from preferences" />
+    <MESSAGE value="fix manjaro_hello.py" />
+    <MESSAGE value="conflict?" />
+    <MESSAGE value="why is this only sometimes" />
+    <MESSAGE value="refactor on_applications_clicked" />
+    <MESSAGE value="refactor initialize" />
+    <MESSAGE value="fix signal error" />
+    <MESSAGE value="debugging on getObject error" />
+    <MESSAGE value="debugging getObj error" />
+    <MESSAGE value="refactor fil to file" />
+    <MESSAGE value="refactor to eliminate shadow" />
+    <MESSAGE value="debugging AttributeError on get_object which exist" />
+    <MESSAGE value="debugging get_object error" />
+    <MESSAGE value="debugging get_object returning None on valid object" />
+    <MESSAGE value="doh! default manjaro-hello does not contain the appBrowser button" />
+    <MESSAGE value="reorder lines" />
+    <option name="LAST_COMMIT_MESSAGE" value="reorder lines" />
+  </component>
+  <component name="XDebuggerManager">
+    <breakpoint-manager>
+      <breakpoints>
+        <line-breakpoint enabled="true" suspend="THREAD" type="python-line">
+          <url>file://$PROJECT_DIR$/src/app-utility</url>
+          <line>59</line>
+          <option name="timeStamp" value="1" />
+        </line-breakpoint>
+      </breakpoints>
+    </breakpoint-manager>
+  </component>
+  <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/src/app-utility" />
+    <entry file="file://$PROJECT_DIR$/.gitignore">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="45">
+          <caret line="3" column="5" selection-start-line="3" selection-start-column="5" selection-end-line="3" selection-end-column="5" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/data/default.json" />
+    <entry file="file://$PROJECT_DIR$/src/install-alone.py" />
+    <entry file="file://$PROJECT_DIR$/src/testConfigClass.py" />
+    <entry file="file://$PROJECT_DIR$/src/__init__.py">
+      <provider selected="true" editor-type-id="text-editor">
+        <state>
+          <caret column="27" lean-forward="true" selection-start-column="27" selection-end-column="27" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/browser/exceptions.py" />
+    <entry file="file://$PROJECT_DIR$/src/plugins/__init__.py" />
+    <entry file="file://$PROJECT_DIR$/data/browser-prefs.json" />
+    <entry file="file://$PROJECT_DIR$/data/advanced.json" />
+    <entry file="file://$PROJECT_DIR$/src/browser/browser_base_config.py" />
+    <entry file="file://$PROJECT_DIR$/src/browser/browser_config.py" />
+    <entry file="file://$PROJECT_DIR$/src/browser/alpm.py" />
+    <entry file="file://$PROJECT_DIR$/src/browser/hello_config.py" />
+    <entry file="file://$PROJECT_DIR$/src/browser/iso_config.py" />
+    <entry file="file://$PROJECT_DIR$/src/browser/stand_alone_config.py" />
+    <entry file="file://$PROJECT_DIR$/src/browser/data.py" />
+    <entry file="file://$PROJECT_DIR$/src/browser/__init__.py" />
+    <entry file="file://$PROJECT_DIR$/src/browser/browser.py" />
+    <entry file="file://$PROJECT_DIR$/data/preferences.json">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="330">
+          <caret line="22" column="3" selection-start-line="22" selection-start-column="3" selection-end-line="22" selection-end-column="3" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file:///usr/lib/python3.7/site-packages/application_utility/browser/hello_config.py">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="330">
+          <caret line="27" selection-start-line="27" selection-end-line="27" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file:///usr/lib/python3.7/site-packages/application_utility/browser/config.py">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="169">
+          <caret line="16" selection-start-line="16" selection-end-line="16" />
+          <folding>
+            <element signature="e#0#14#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/ui/manjaro-hello.glade">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="457">
+          <caret line="545" column="19" lean-forward="true" selection-start-line="545" selection-start-column="19" selection-end-line="545" selection-end-column="19" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/manjaro_hello.py">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1590">
+          <caret line="106" column="27" selection-start-line="106" selection-start-column="27" selection-end-line="106" selection-end-column="27" />
+          <folding>
+            <element signature="e#24#38#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+  </component>
+</project>
\ No newline at end of file
diff --git a/data/preferences.json b/data/preferences.json
index 03491c2..a31f196 100644
--- a/data/preferences.json
+++ b/data/preferences.json
@@ -1,24 +1,24 @@
 {
-    "default_locale": "en",
-    "autostart_path": "~/.config/autostart/manjaro-hello.desktop",
-    "data_path": "/usr/share/manjaro-hello/data/",
-    "desktop_path": "/usr/share/applications/manjaro-hello.desktop",
-    "installer_path": "/usr/bin/calamares",
-    "live_path": "/run/miso/bootmnt/manjaro",
-    "locale_path": "/usr/share/locale/",
-    "logo_path": "/usr/share/icons/hicolor/64x64/apps/manjaro.png",
-    "save_path": "~/.config/manjaro-hello.json",
-    "ui_path": "/usr/share/manjaro-hello/ui/manjaro-hello.glade",
-    "urls": {
-        "development": "https://gitlab.manjaro.org",
-        "chat": "https://kiwiirc.com/client/irc.freenode.net/?nick=manjaro-web|?#manjaro",
-        "donate": "https://manjaro.org/donate",
-        "facebook": "https://www.facebook.com/ManjaroLinux",
-        "forum": "https://forum.manjaro.org",
-        "google+": "https://plus.google.com/118244873957924966264",
-        "mailling": "https://lists.manjaro.org/cgi-bin/mailman/listinfo",
-        "reddit": "https://www.reddit.com/r/ManjaroLinux",
-        "twitter": "https://twitter.com/ManjaroLinux",
-        "wiki": "https://wiki.manjaro.org"
-    }
+  "default_locale": "en",
+  "autostart_path": "~/.config/autostart/manjaro-hello.desktop",
+  "data_path": "/usr/share/manjaro-hello/data/",
+  "desktop_path": "/usr/share/applications/manjaro-hello.desktop",
+  "installer_path": "/usr/bin/calamares",
+  "live_path": "/run/miso/bootmnt/manjaro",
+  "locale_path": "/usr/share/locale/",
+  "logo_path": "/usr/share/icons/hicolor/64x64/apps/manjaro.png",
+  "save_path": "~/.config/manjaro-hello.json",
+  "ui_path": "/usr/share/manjaro-hello/ui/manjaro-hello.glade",
+  "urls": {
+    "development": "https://gitlab.manjaro.org",
+    "chat": "https://kiwiirc.com/client/irc.freenode.net/?nick=manjaro-web|?#manjaro",
+    "donate": "https://manjaro.org/donate",
+    "facebook": "https://www.facebook.com/ManjaroLinux",
+    "forum": "https://forum.manjaro.org",
+    "google+": "https://plus.google.com/118244873957924966264",
+    "mailling": "https://lists.manjaro.org/cgi-bin/mailman/listinfo",
+    "reddit": "https://www.reddit.com/r/ManjaroLinux",
+    "twitter": "https://twitter.com/ManjaroLinux",
+    "wiki": "https://wiki.manjaro.org"
+  }
 }
diff --git a/src/__init__.py b/src/__init__.py
index e69de29..281af6f 100644
--- a/src/__init__.py
+++ b/src/__init__.py
@@ -0,0 +1 @@
+__all__ = ["manjaro_hello"]
\ No newline at end of file
diff --git a/src/manjaro_hello.py b/src/manjaro_hello.py
index 3040cca..d7e43d1 100644
--- a/src/manjaro_hello.py
+++ b/src/manjaro_hello.py
@@ -1,21 +1,34 @@
 #!/usr/bin/env python3
 
 import gettext
+import gi
 import json
 import locale
+import logging
 import os
 import subprocess
 import sys
 import webbrowser
-import gi
+
+try:
+    from application_utility.browser.application_browser import ApplicationBrowser
+    from application_utility.browser.exceptions import NoAppInIsoError
+    from application_utility.browser.hello_config import HelloConfig
+    APPS_PLUGIN = True
+
+except ModuleNotFoundError as e:
+    APPS_PLUGIN = False
+    print(f"Warning: Application Browser plugin not found : {e}")
+
 gi.require_version("Gtk", "3.0")
 from gi.repository import Gtk, GdkPixbuf
 
 
-class Hello():
+class Hello(Gtk.Window):
     """Hello"""
 
     def __init__(self):
+        Gtk.Window.__init__(self, title="Manjaro Hello", border_width=6)
         self.app = "manjaro-hello"
         self.dev = "--dev" in sys.argv  # Dev mode activated ?
 
@@ -23,12 +36,11 @@ class Hello():
         if self.dev:
             self.preferences = read_json("data/preferences.json")
             self.preferences["data_path"] = "data/"
-            self.preferences["desktop_path"] = os.getcwd() + "/{}.desktop".format(self.app)
+            self.preferences["desktop_path"] = os.getcwd() + f"/{self.app}.desktop"
             self.preferences["locale_path"] = "locale/"
-            self.preferences["ui_path"] = "ui/{}.glade".format(self.app)
+            self.preferences["ui_path"] = f"ui/{self.app}.glade"
         else:
-            self.preferences = read_json("/usr/share/{}/data/preferences.json".format(self.app))
-
+            self.preferences = read_json(f"/usr/share/{self.app}/data/preferences.json")
         # Get saved infos
         self.save = read_json(self.preferences["save_path"])
         if not self.save:
@@ -55,7 +67,7 @@ class Hello():
 
         for widget in self.builder.get_object("homepage").get_children():
             if isinstance(widget, Gtk.Button) and \
-               widget.get_image_position() is Gtk.PositionType.RIGHT:
+                    widget.get_image_position() is Gtk.PositionType.RIGHT:
                 img = Gtk.Image.new_from_file(
                     self.preferences["data_path"] + "img/external-link.png")
                 img.set_margin_left(2)
@@ -84,10 +96,17 @@ class Hello():
         self.builder.get_object("autostart").set_active(self.autostart)
 
         # Live systems
-        if os.path.exists(self.preferences["live_path"]) and \
-           os.path.isfile(self.preferences["installer_path"]):
+        if os.path.exists(self.preferences["live_path"]) and os.path.isfile(self.preferences["installer_path"]):
             self.builder.get_object("installlabel").set_visible(True)
             self.builder.get_object("install").set_visible(True)
+        # Installed systems
+        else:
+            if APPS_PLUGIN:
+                conf = HelloConfig(application="manjaro-hello")
+                app_browser = ApplicationBrowser(conf, self)
+                # create page install Applications
+                self.builder.get_object("stack").add_named(app_browser, "appBrowserpage")
+                self.builder.get_object("appBrowser").set_visible(True)
 
         self.window.show()
 
@@ -115,24 +134,24 @@ class Hello():
             else:
                 return self.preferences["default_locale"]
 
-    def set_locale(self, locale):
+    def set_locale(self, use_locale):
         """Set locale of ui and pages.
-        :param locale: locale to use
-        :type locale: str
+        :param use_locale: locale to use
+        :type use_locale: str
         """
         try:
             translation = gettext.translation(self.app, self.preferences[
-                "locale_path"], [locale], fallback=True)
+                "locale_path"], [use_locale], fallback=True)
             translation.install()
         except OSError:
             return
 
-        self.save["locale"] = locale
+        self.save["locale"] = use_locale
 
         # Real-time locale changing
 
         elts = {
-            "comments": { "aboutdialog"},
+            "comments": {"aboutdialog"},
             "label": {
                 "autostartlabel",
                 "development",
@@ -193,14 +212,14 @@ class Hello():
             i3_config = fix_path("~/.i3/config")
             if os.path.isfile(i3_config):
                 i3_autostart = "exec --no-startup-id " + self.app
-                with open(i3_config, "r+") as fil:
-                    content = fil.read()
-                    fil.seek(0)
+                with open(i3_config, "r+") as file:
+                    content = file.read()
+                    file.seek(0)
                     if autostart:
-                        fil.write(content.replace("#" + i3_autostart, i3_autostart))
+                        file.write(content.replace("#" + i3_autostart, i3_autostart))
                     else:
-                        fil.write(content.replace(i3_autostart, "#" + i3_autostart))
-                    fil.truncate()
+                        file.write(content.replace(i3_autostart, "#" + i3_autostart))
+                    file.truncate()
             self.autostart = autostart
         except OSError as error:
             print(error)
@@ -215,7 +234,7 @@ class Hello():
         filename = self.preferences["data_path"] + "pages/{}/{}".format(self.save["locale"], name)
         if not os.path.isfile(filename):
             filename = self.preferences["data_path"] + \
-                "pages/{}/{}".format(self.preferences["default_locale"], name)
+                       "pages/{}/{}".format(self.preferences["default_locale"], name)
         try:
             with open(filename, "r") as fil:
                 return fil.read()
@@ -238,9 +257,13 @@ class Hello():
             dialog = self.builder.get_object("aboutdialog")
             dialog.run()
             dialog.hide()
+        elif name == "appBrowser":
+            # or use only "on_btn_clicked" ?
+            self.builder.get_object("home").set_sensitive(not name == "home")
+            self.builder.get_object("stack").set_visible_child_name(name + "page")
 
     def on_btn_clicked(self, btn):
-        """Event for clicked button."""
+        """Event for applications button."""
         name = btn.get_name()
         self.builder.get_object("home").set_sensitive(not name == "home")
         self.builder.get_object("stack").set_visible_child_name(name + "page")
@@ -296,14 +319,15 @@ def write_json(path, content):
     except OSError as error:
         print(error)
 
+
 def get_lsb_infos():
     """Read informations from the lsb-release file.
     :return: args from lsb-release file
     :rtype: dict"""
     lsb = {}
     try:
-        with open("/etc/lsb-release") as fil:
-            for line in fil:
+        with open("/etc/lsb-release") as lsb_release:
+            for line in lsb_release:
                 if "=" in line:
                     var, arg = line.rstrip().split("=")
                     if var.startswith("DISTRIB_"):
@@ -312,11 +336,14 @@ def get_lsb_infos():
                         arg = arg[1:-1]
                     if arg:
                         lsb[var] = arg
-    except OSError as error:
+    except (OSError, KeyError) as error:
         print(error)
+        return 'not Manjaro', '0.0'
     return lsb["CODENAME"], lsb["RELEASE"]
 
 
 if __name__ == "__main__":
-    Hello()
+    logging.basicConfig(level=logging.DEBUG)
+    hello = Hello()
+    hello.connect("destroy", Gtk.main_quit)
     Gtk.main()
diff --git a/ui/manjaro-hello.glade b/ui/manjaro-hello.glade
index 3c38124..ec3df93 100644
--- a/ui/manjaro-hello.glade
+++ b/ui/manjaro-hello.glade
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.20.1 -->
+<!-- Generated with glade 3.22.1 -->
 <interface>
   <requires lib="gtk+" version="3.20"/>
   <object class="GtkImage" id="homeicon">
@@ -19,6 +19,99 @@
     <property name="default_height">500</property>
     <property name="has_resize_grip">True</property>
     <signal name="delete-event" handler="on_delete_window" swapped="no"/>
+    <child type="titlebar">
+      <object class="GtkHeaderBar" id="headerbar">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="title">Manjaro Hello</property>
+        <property name="show_close_button">True</property>
+        <child>
+          <object class="GtkButton" id="home">
+            <property name="name">home</property>
+            <property name="visible">True</property>
+            <property name="sensitive">False</property>
+            <property name="can_focus">False</property>
+            <property name="receives_default">True</property>
+            <property name="tooltip_text" translatable="yes">Home</property>
+            <property name="image">homeicon</property>
+            <signal name="clicked" handler="on_btn_clicked" swapped="no"/>
+          </object>
+        </child>
+        <child>
+          <object class="GtkComboBoxText" id="languages">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <items>
+              <item id="sq">Albanian</item>
+              <item id="ar">Arabic</item>
+              <item id="ast-ES">Asturian (Spain)</item>
+              <item id="be">Belarusian</item>
+              <item id="bg">Bulgarian</item>
+              <item id="ca">Catalan</item>
+              <item id="zh-CN">Chinese (China)</item>
+              <item id="zh-TW">Chinese (Taiwan)</item>
+              <item id="hr">Croatian</item>
+              <item id="cs">Czech</item>
+              <item id="da">Danish</item>
+              <item id="nl">Dutch</item>
+              <item id="en">English</item>
+              <item id="fi">Finnish</item>
+              <item id="fr">French</item>
+              <item id="de">German</item>
+              <item id="ka">Georgian</item>
+              <item id="el-GR">Greek (Greece)</item>
+              <item id="he">Hebrew</item>
+              <item id="hi-IN">Hindi (India)</item>
+              <item id="hu">Hungarian</item>
+              <item id="is">Icelandic</item>
+              <item id="id-ID">Indonesian (Indonesia)</item>
+              <item id="it">Italian</item>
+              <item id="ja">Japanese</item>
+              <item id="ko-KR">Korean (Korea)</item>
+              <item id="lt">Lithuanian</item>
+              <item id="nb">Norwegian Bokmål</item>
+              <item id="fa-IR">Persian (Iran)</item>
+              <item id="pl">Polish</item>
+              <item id="pt-BR">Portuguese (Brazil)</item>
+              <item id="pt-PT">Portuguese (Portugal)</item>
+              <item id="ro-RO">Romanian (Romania)</item>
+              <item id="ru">Russian</item>
+              <item id="sk">Slovak</item>
+              <item id="sl-SI">Slovenian (Slovenia)</item>
+              <item id="sl">Slovenian</item>
+              <item id="es">Spanish</item>
+              <item id="sr-RS">Serbian (Serbia)</item>
+              <item id="sr">Serbian</item>
+              <item id="sv">Swedish</item>
+              <item id="th">Thai</item>
+              <item id="tr-TR">Turkish (Turkey)</item>
+              <item id="tr">Turkish</item>
+              <item id="uk">Ukrainian</item>
+              <item id="vi-VN">Vietnamese (Viet Nam)</item>
+            </items>
+            <signal name="changed" handler="on_languages_changed" swapped="no"/>
+          </object>
+          <packing>
+            <property name="position">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="about">
+            <property name="name">about</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="receives_default">True</property>
+            <property name="tooltip_text" translatable="yes">About</property>
+            <property name="image">iconabout</property>
+            <signal name="clicked" handler="on_action_clicked" swapped="no"/>
+          </object>
+          <packing>
+            <property name="pack_type">end</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
     <child>
       <object class="GtkStack" id="stack">
         <property name="visible">True</property>
@@ -427,6 +520,20 @@ We, the Manjaro Developers, hope that you will enjoy using Manjaro as much as we
                 <property name="top_attach">8</property>
               </packing>
             </child>
+            <child>
+              <object class="GtkButton" id="appBrowser">
+                <property name="label" translatable="yes">Applications</property>
+                <property name="name">appBrowser</property>
+                <property name="can_focus">False</property>
+                <property name="receives_default">True</property>
+                <property name="tooltip_text" translatable="yes">Common application selection</property>
+                <signal name="clicked" handler="on_btn_clicked" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">8</property>
+              </packing>
+            </child>
             <child>
               <placeholder/>
             </child>
@@ -446,99 +553,6 @@ We, the Manjaro Developers, hope that you will enjoy using Manjaro as much as we
         </child>
       </object>
     </child>
-    <child type="titlebar">
-      <object class="GtkHeaderBar" id="headerbar">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="title">Manjaro Hello</property>
-        <property name="show_close_button">True</property>
-        <child>
-          <object class="GtkButton" id="home">
-            <property name="name">home</property>
-            <property name="visible">True</property>
-            <property name="sensitive">False</property>
-            <property name="can_focus">False</property>
-            <property name="receives_default">True</property>
-            <property name="tooltip_text" translatable="yes">Home</property>
-            <property name="image">homeicon</property>
-            <signal name="clicked" handler="on_btn_clicked" swapped="no"/>
-          </object>
-        </child>
-        <child>
-          <object class="GtkComboBoxText" id="languages">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <items>
-              <item id="sq">Albanian</item>
-              <item id="ar">Arabic</item>
-              <item id="ast-ES">Asturian (Spain)</item>
-              <item id="be">Belarusian</item>
-              <item id="bg">Bulgarian</item>
-              <item id="ca">Catalan</item>
-              <item id="zh-CN">Chinese (China)</item>
-              <item id="zh-TW">Chinese (Taiwan)</item>
-              <item id="hr">Croatian</item>
-              <item id="cs">Czech</item>
-              <item id="da">Danish</item>
-              <item id="nl">Dutch</item>
-              <item id="en">English</item>
-              <item id="fi">Finnish</item>
-              <item id="fr">French</item>
-              <item id="de">German</item>
-              <item id="ka">Georgian</item>
-              <item id="el-GR">Greek (Greece)</item>
-              <item id="he">Hebrew</item>
-              <item id="hi-IN">Hindi (India)</item>
-              <item id="hu">Hungarian</item>
-              <item id="is">Icelandic</item>
-              <item id="id-ID">Indonesian (Indonesia)</item>
-              <item id="it">Italian</item>
-              <item id="ja">Japanese</item>
-              <item id="ko-KR">Korean (Korea)</item>
-              <item id="lt">Lithuanian</item>
-              <item id="nb">Norwegian Bokmål</item>
-              <item id="fa-IR">Persian (Iran)</item>
-              <item id="pl">Polish</item>
-              <item id="pt-BR">Portuguese (Brazil)</item>
-              <item id="pt-PT">Portuguese (Portugal)</item>
-              <item id="ro-RO">Romanian (Romania)</item>
-              <item id="ru">Russian</item>
-              <item id="sk">Slovak</item>
-              <item id="sl-SI">Slovenian (Slovenia)</item>
-              <item id="sl">Slovenian</item>
-              <item id="es">Spanish</item>
-              <item id="sr-RS">Serbian (Serbia)</item>
-              <item id="sr">Serbian</item>
-              <item id="sv">Swedish</item>
-              <item id="th">Thai</item>
-              <item id="tr-TR">Turkish (Turkey)</item>
-              <item id="tr">Turkish</item>
-              <item id="uk">Ukrainian</item>
-              <item id="vi-VN">Vietnamese (Viet Nam)</item>
-            </items>
-            <signal name="changed" handler="on_languages_changed" swapped="no"/>
-          </object>
-          <packing>
-            <property name="position">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="about">
-            <property name="name">about</property>
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="receives_default">True</property>
-            <property name="tooltip_text" translatable="yes">About</property>
-            <property name="image">iconabout</property>
-            <signal name="clicked" handler="on_action_clicked" swapped="no"/>
-          </object>
-          <packing>
-            <property name="pack_type">end</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-      </object>
-    </child>
   </object>
   <object class="GtkAboutDialog" id="aboutdialog">
     <property name="can_focus">False</property>
@@ -586,6 +600,9 @@ Stéphane
 Андрей Раугас</property>
     <property name="logo_icon_name"/>
     <property name="license_type">gpl-3-0</property>
+    <child>
+      <placeholder/>
+    </child>
     <child internal-child="vbox">
       <object class="GtkBox">
         <property name="can_focus">True</property>
@@ -608,8 +625,5 @@ Stéphane
         </child>
       </object>
     </child>
-    <child>
-      <placeholder/>
-    </child>
   </object>
 </interface>