If you like offline music Poweramp on Android is great. Not free tho

Thunder on Android. Alexandrite on PC.

Wow Larry contributed to these old Broadcom drivers?! I’m using them to this day on my old macbook. RIP

I use the back buttons for all sorts of stuff. But the most common use is remapping ABXY to them. That way, I dont have to lift my thumb off the joysticks as much.

Also some games have easier menu navigation with a mouse, so I’ll map left and right click to r1 and l1 and use a track pad to navigate menus.