Step 3: Play the game as you desire and have fun. Step 2: Drag the ROM file to OpenEmu and let the application load your game. Step 1: Download the desired ROM file on the internet (Check ). You simply need the game file, for Pokemon GBC, GBA and NDS all you need to have is the ROM file. To patch and download you ROM hack to your computer, click the “Patch” button on the bottom right. Next, apply the BPS file in the “Patch” section for the ROM hack you want.
To apply the patch, first use the original Super Mario 64 (USA) ROM in the “ROM” section. bps file, which is the patch file, (once extracted) and then click “open”