John GBA is easily one of the best Game Boy Advanced emulators. It supports pretty much every game out there. It also includes on-screen controls, game search, cheat codes, fast forward and slow down modes, and more. There is also Dropbox support for easy backups. That doesn't require another app called John DataSync.Is there GBA emulator for the NDS?
NO$GBA , is a freeware Nintendo DS emulator and the first one to do a successful emulation in its 2006 release. Originally a Gameboy Advance emulator, it is now capable of running both commercial and homebrew Nintendo DS games. Famous games such as Pokemon Diamond could be played, at full speed, with no glitches in graphics.What is a Gameboy emulator?
A Nintendo Gameboy emulator is a software program that is designed to allow game play on a platforms such as a personal computer Mac, PC, Linux, a modified console, etc that it was not created for. GBA emulator allows for Nintendo console games to be played on "unauthorized" hardware.