Have you looked into remapping the button? I use Button Remapper and I have it configured to open Google maps and Spotify
I believe the (old but still decent) best small Android is the Samsung s10e
The first Matrix!
I'm with you brother
Also owner of an S10 but the 'e' edition. A tad smaller and quite compact!
You can also install Firefox and use ublock on Android
How much does DNA test costs nowadays?
Clearly the beginning of a side quest