A free program for Android, by MAMEall Arcade Teams.

If you’ve missed playing arcade games but do not have access to any, then MAMEAII is perfect for you! It is an app for Android devices that emulates classic arcade games.

With over 8,000 different ROMs to choose from, you’re sure to find your favorite games in MAMEAII, as well as discover new ones to play. It supports 64/32 bits JNI so you don’t have to worry about compatibility.

This app does not include any copyrighted material, freeing you from the worry that you might be consuming illegal content. This emulator is also very easy to use and does not require any technical skills to run.