diff --git a/AppRun b/AppRun
index e3f6218..41bd164 100755
--- a/AppRun
+++ b/AppRun
@@ -4,4 +4,6 @@ APP_DIR=`dirname $0`
 APP_DIR=`cd "$APP_DIR";pwd`
 XDG_DATA_DIRS="$APP_DIR/usr/share:$XDG_DATA_DIRS"; export XDG_DATA_DIRS
 MKI3DGAME_ASSETS="$APP_DIR/assets"; export MKI3DGAME_ASSETS
-exec "$APP_DIR/mki3dgame" "$@"
+# exec "$APP_DIR/mki3dgame" "$@"
+# exec "$APP_DIR/io.github.mki1967.mki3dgame" "$@"
+exec "$APP_DIR/usr/games/io.github.mki1967.mki3dgame" "$@"
diff --git a/usr/share/applications/mki3dgame.desktop b/io.github.mki1967.mki3dgame.desktop
similarity index 100%
rename from usr/share/applications/mki3dgame.desktop
rename to io.github.mki1967.mki3dgame.desktop
diff --git a/make-AppImage.bash b/make-AppImage.bash
index de68b6d..3c47357 100755
--- a/make-AppImage.bash
+++ b/make-AppImage.bash
@@ -24,12 +24,20 @@ mkdir build-AppImage # do everything in the 'build' directory
 pushd ../ # Go to the parent directory.
 echo 'rsync-ing ...'
 rsync -av --exclude-from=mki3dgame/rsync-exclude-patterns-AppImage mki3dgame mki3dgame/build-AppImage/
+pushd  mki3dgame/build-AppImage/
+mv mki3dgame io.github.mki1967.mki3dgame  ## change the name to reverse domain
+pushd io.github.mki1967.mki3dgame
+mv ./mki3dgame usr/games/io.github.mki1967.mki3dgame 
+popd    # return to the directory
+popd    # return to the directory
 popd    # return to the directory
 
 pushd build-AppImage/ # Go to the build directory.
 echo 'Building AppImage ...'
-appimagetool-x86_64.AppImage mki3dgame
-rm -rf mki3dgame/ # remove the rsync-ed directory
+## appimagetool-x86_64.AppImage mki3dgame
+## rm -rf mki3dgame/ # remove the rsync-ed directory
+appimagetool-x86_64.AppImage io.github.mki1967.mki3dgame
+rm -rf io.github.mki1967.mki3dgame/ # remove the rsync-ed directory
 popd    # return to the directory
 
 echo 'Your AppImage should be in: ./build-AppImage/mki3dgame-x86_64.AppImage'
diff --git a/mki3dgame.desktop b/mki3dgame.desktop
deleted file mode 120000
index 1b04f0e..0000000
--- a/mki3dgame.desktop
+++ /dev/null
@@ -1 +0,0 @@
-usr/share/applications/mki3dgame.desktop
\ No newline at end of file
diff --git a/usr/bin b/usr/bin
new file mode 120000
index 0000000..16c9d11
--- /dev/null
+++ b/usr/bin
@@ -0,0 +1 @@
+games
\ No newline at end of file
diff --git a/usr/share/applications/io.github.mki1967.mki3dgame.desktop b/usr/share/applications/io.github.mki1967.mki3dgame.desktop
new file mode 100644
index 0000000..383f644
--- /dev/null
+++ b/usr/share/applications/io.github.mki1967.mki3dgame.desktop
@@ -0,0 +1,7 @@
+[Desktop Entry]
+Name=io.github.mki1967.mki3dgame
+Type=Application
+Icon=mkisg_icon
+Terminal=true
+Exec=io.github.mki1967.mki3dgame
+Categories=Game;
diff --git a/usr/share/metainfo/io.github.mki1967.mki3dgame.appdata.xml b/usr/share/metainfo/io.github.mki1967.mki3dgame.appdata.xml
new file mode 100644
index 0000000..13a8f20
--- /dev/null
+++ b/usr/share/metainfo/io.github.mki1967.mki3dgame.appdata.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="desktop-application">
+  <id>io.github.mki1967.mki3dgame</id>
+  <metadata_license>FSFAP</metadata_license>
+  <project_license>GPL-3.0</project_license>
+  <name>io.github.mki1967.mki3dgame</name>
+  <summary>A simple OpenGL game of searching for tokens in 3D stages. </summary>
+  <description>
+    <p>
+      A simple OpenGL game of searching for tokens in 3D stages.
+      You also have to avoid the monsters. (They can capture you.)
+    </p>
+    <p>
+      Any user can prepare his own assets with stages, monsters and tokens
+      designned with MKI3D RAPID MODELLER.
+    </p>
+  </description>
+  <x-launchable type="desktop-id">io.github.mki1967.mki3dgame.desktop</x-launchable>
+  <url type="homepage">https://mki1967.github.io/mki3dgame</url>
+  <url type="bugtracker">https://github.com/mki1967/mki3dgame/issues</url>
+  <url type="help">https://github.com/mki1967/mki3dgame/blob/master/README.md</url>
+  <screenshots>
+    <screenshot type="default">
+      <caption>A stage of mki3dgame</caption>
+      <image>https://mki1967.github.io/mki3dgame/img/screen-shot.png</image>
+    </screenshot>
+  </screenshots>
+  <provides>
+    <binary>io.github.mki1967.mki3dgame</binary>
+  </provides>
+</component>
diff --git a/usr/share/metainfo/mki3dgame.appdata.xml b/usr/share/metainfo/mki3dgame.appdata.xml
deleted file mode 100644
index 5249b6f..0000000
--- a/usr/share/metainfo/mki3dgame.appdata.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<component type="desktop-application">
-	<id>mki3dgame</id>
-	<metadata_license>GPL-3.0</metadata_license>
-	<project_license>GPL-3.0</project_license>
-	<name>mki3dgame-x86_64.AppImage</name>
-	<summary>A game of searching in 3D stages</summary>
-	<description>
-		<p>Find and collect tokens in 3D stages among flying monsters.
- </p>
-	</description>
-	<launchable type="desktop-id">mki3dgame.desktop</launchable>
-	<url type="homepage">https://mki1967.github.io/mki3dgame</url>
-	<screenshots>
-		<screenshot type="default">
-			<image>https://mki1967.github.io/mki3dgame/img/screen-shot.png</image>
-		</screenshot>
-	</screenshots>
-	<provides>
-		<id>mki3dgame.desktop</id>
-	</provides>
-</component>