The NO$GBA is considered the fastest working DS rom emulator it can run most Nintendo DS games at full speed on most computer processors. Multiplayer support, 10x internal resolution, and the ability to play games in 4K no wonder people love it so much! And the best part is that Citra works on pretty much every system! What is the fastest DS emulator? Yuzu, the best Switch Emulator, comes from the same team that made Citra, and both emulators are highly regarded in the retro gaming world. Which is the best emulator for the Nintendo Switch?