On Android handhelds (with a built-in controls) inputs don't work after launching the core. It's impossible to even open the retroarch menu with hotkeys, no response at all. Only method working is 1) enabling input overlay -> 2) entering the retroarch menu touching the "retroarch" icon on the overlay ->3) now the controls work in the core and in retroarch too.
On Android handhelds (with a built-in controls) inputs don't work after launching the core. It's impossible to even open the retroarch menu with hotkeys, no response at all. Only method working is 1) enabling input overlay -> 2) entering the retroarch menu touching the "retroarch" icon on the overlay ->3) now the controls work in the core and in retroarch too.