i cant find out which buttons are which
For the most part you can consider X=A, C+B, S=L BUTTON (OR LEFT SHOULDER BUTTON),D=R BUTTON, SPACE=SELECT, ENTER=START
However because there are many systems being emulated please understand that the above may not be the case and u may have to play around to find the correct button BUT this should be about default for every game. Hope this helps u.
Happy Gaming :)