[aspiers]

Thanks, that's good to know.

It happened again this afternoon - notably, this time after I'd deliberately disabled Google Play updates and quit every single other app which was running.  So at least we can rule out that kind of interference.

But this is pretty concerning and unfortunately means there's no way I can trust it on this upcoming gig without a backup, as it would totally derail the performance if it spontaneously exited to the library screen while I was in the middle of playing.

It's been a long time since I tinkered with Android stuff, but I remember it used to be possible to do things like adb logcat in developer mode to view logs and see what was going on when something odd happened.  Would that not be possible or helpful in this case?