There are many apps in the Google Play Store which allows you to convert your installed apps into APK files so that you can share them with other apps or keep. Accessing /data/app is possible without root permission; the permissions on that directory are rwxrwx--x. Execute permission on a directory. This wikiHow teaches you how to extract the Android Package File (APK) of an Android app so that you can install the app on another Android phone without.
Installed app to apk Video