Overall, BatGBA is the simplest GBA emulator in existence. Lastly, BatGBA also displays the fps while playing games. So as to enjoy games smoothly on BatGBA you will need an original BIOS file. Using BatGBA you can play GB (GameBoy), GBC (GameBoy Color), and GBA (GameBoy Advance) roms. The UI of BatGBA might seem a bit outdated as it was last updated on 11th July 2002.
This lightweight GBA emulator with limited features allows users to play GBA without any hiccups. The next GBA emulator on the list is BatGBA.