Apparently the Game Gear emulator on the 3DS completely outclasses the other emulators on the 3DS
http://www.joystiq.com/2012/03/14/game-gear-emulation-outclasses-the-other-3ds-virtual-console-gam/
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http://i.imgur.com/4KfnE.png
http://www.yourgamercards.net/trophy/a/CaptainRockman.png