If you’re using the latest version of macOS, you’ll need to grant the App keystroke permission.Type ‘mame,’ followed by the name of the folder into which you extracted the ROM…. ‘ MAME is a command-line application that requires you to use Command Prompt to launch games. Press and hold the ‘Shift’ key, then right-click on the MAME folder. zip and put it directly in this folder: /home/pi/RetroPie/roms/mame-mame4all…. Zip-file the right place, right? So I searched and found af neogeo. Step 2: Then download the file of ROM of your favorite card game NeoGeo.Step 1: You will have to search and download emulator software NeoGeo 5.0 of the game by using the link NeoGeo 5.0.Some steps to install the emulator software of the game may include:.Step 5 – Start the Game with MAME Emulator.First thing, you should download the emulator binaries form the MAME official website.