Bluez IME , help identifying buttons for games that don’t supports controllers?

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I am trying to change the mapped buttons in bluez ime for the bgp100 to enable controller game play on games that
don’t have native game pad support. Below I have one game this works for.

1.Do all games support something like this? it seems this game has some sub
mapping as if it could be played if you have physical buttons/keyboard?

2.Is there a way to see what touch screen actions relate to buttons. Some key logger like app? This would help save wasted time with trial and error to find all needed keys if they exist.


Dark incursion, What I found.

Page up – toggle 3d
Button start – game menu

Dpad center - jump
Button x - attack
Dpad left - left
Dpad right - right
Dpad down - down

I am still missing one useful virtual touch screen button for using equipped powers?