First you need to download gamecube iso files. ( a good website is snesorama.com ) Thenopen up dolphin and click "open" in the top left corner and find your iso file. On the same bar, at the right of...
No. An R4 can only emulate a game so long as you have the correct emulator that was designed to run on a DS and a ROM that can played played on that specific emulator. An R4 can only emulate ROMS....