After, downloading the emulator Zip file, simply control-click + open it to execute the emulator. MGBA is actively developed, and hence it works on latest Mac OS X versions such as Sierra & El Capitan too. It can easily play any GBA Game ROMs on your Mac OS X as well as you can even load Custom Bios too. MGBA is perhaps the best Game Boy Advance emulator for Mac OS X. GBA Emulator # 1 – mGBA mGBA Game Boy Advance Emulator for Mac Top 3 Best GBA Game Boy Advance Emulators for Mac OS X In this article, we cover the Best GBA emulators for Mac OS X, which you can use it with any GBA Game ROMs to play GBA games on MacBook Pro, iMac mini, etc Now, GBA isn’t widely available, but you can still enjoy GBA Classic games like Pokemon, and Legend of Zelda by directly using the GBA emulators with the Game ROMs. GBA is an excellent Gaming console developed by the Nintendo team, and games like Pokemon Emerald are worth playing and enjoying even today.