Well, except for the Play Integrity API (formerly SafetyNet). As soon as you do anything remotely interesting you can't use NFC payments, your bank or even the McDonalds app anymore.

This notably doesn't even achieve it's supposed goal of keep anything secure from anyone - bypasses are found usually days after it's "fixed". That only leaves the conclusion that Google wants to make it painful so as to discourage anyone from stepping out of line. Because that's the only thing it actually achieves, and it does so remarkably well.

You mean GNU/Linux? (Yes, some smartphones run it.)