Android never deletes the APK for any installed app.
The APK is saved whether or not the app came with the phone.
But is that APK complete enough to install on another Android?
No matter what, the APK can be extracted as explained in this post below.
https://groups.google.com/g/comp.mobile.android/c/F49T9WQSh-E/m/XRAeLgWPAAAJ
But I'm not sure if that APK is "complete enough" to work on any phone.
If not, what can someone do now to get a full APK (whatever that means in Android/Google technical terms) so that this full apk can be saved (at the
time of installation) for each app for subsequent use on all new phones?
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