In short, check out:

https://f-droid.org/packages/com.oasisfeng.island.fdroid/

It lets you isolate apps from the rest of your phone, to some extent.

And Exodus:

https://github.com/Exodus-Privacy/exodus-android-app

(possible alternative) https://f-droid.org/packages/com.oF2pks.classyshark3xodus/

Which scans for trackers and other weird things (like malware) in APKs/installed apps.