OT...

As much as I dislike Android, this is simply not true.

I have triple boot on my tablet (webOS, LuneOS, Android). Once in a while I boot into clean Android 4.4 AOSP. No Google Services installed, all apps coming from the F-Droid store that includes only FOSS applications. OsmAnd is one of those.

Tell me where is the proprietary part.

PS: Even if your argument was valid, it would be like equating a Windows machine with bunch of freeware apps to Linux machine with all FOSS apps and one binary NVIDIA blob.