Nescube 3.1 Nes emulator comes with a finished version before playing the game need to set parameters, such as key settings, screen settings, etc.;
Software default button settings:
2 keys: the menu command up / move up the role of
8 keys: Menu command down / down the role of
4 keys: the menu command to the left / role to the left
6 keys: the menu command to the right / roles to the right
5 keys: OK / Start / dialogue / open the chest the other buttons (shooting, jumping, etc.) can set up their own
Software default button settings:
2 keys: the menu command up / move up the role of
8 keys: Menu command down / down the role of
4 keys: the menu command to the left / role to the left
6 keys: the menu command to the right / roles to the right
5 keys: OK / Start / dialogue / open the chest the other buttons (shooting, jumping, etc.) can set up their own
You Can Find Nes Roms From Below Link:-
 emulator for J2ME}){kind=link}