I’ve been in the process of de-googling my android phone and disabled Chrome. At some point later I discovered that my AG app didn’t work. (It would open and immediately close.) I didn’t connect the two until I was digging into the app issue and saw something about needing Chrome to update firmware.
The app works fine now that I’ve re-enabled Chrome, but I’m posting here in case anyone else has the issue (or for the next time I have it and forget I’ve already solved the problem once!).
I also have the Brave browser (chromium based) on my phone, but the app appears to need Chrome specifically.