Whether you are downloading emulator on your smartphone, Windows PC, or Mac, you should always beware of harmful tools. Moreover, users can also install John GBA Lite Emulator on Mac OS. This method works on Windows 10, Windows 8.1, Windows 7 and all other Windows version. Install John GBA Lite Emulator on Windows 10/8/7 – Mac OS. In order to install John GBA Lite Emulator for PC, you need to download Android Emulator first. How To Install Gameboy Emulator Mac Download.