Using game controllers on touch-capable devices will hide the touch controls automatically, you can set the opacity of on screen gamepad, a bug regarding keyboard mapping when controllers were connected is fixed, gesture input can swipe up to hold, on screen gamepad can show a d-pad and - last but not least - on iOS 13.5 and up, hardware keyboard input is supported now.

Oh, the turn based battle leaderboard has a player-centered mode as well.

Enjoy!