Go to Settings in the app, then Other Settings. Click on the Enable Game Genie, and under it where it asks for the ROM, show it exactly where the ROM for Game Genie is on your SD card. If you need the ROM pm me or email me at jciampi at gmail dot com and i can send it to you. The SNESOID is so much easier as it saves the codes with the game. With NESoid you have to keep putting in the game genie codes everytime you play