Got it going on USB Loader. Have a brawl iso on your USB. then copy all the files to your SD card like
Sirkura
says:
first off, go to the LegacyXP folder and get RSBE01.gct, RSBEXP.gct, and gc.txt
make a new folder in the root of your SD card called "codes" and place the GCT's inside it. next rename gc.txt to gameconfig.txt and place it in the root of the SD. you should be able to load the game on any USB loader after that. you do however need an 8+ gig SD card.
THEN on usb loader
Turn on ocarina cheats, and change the hook to AXNextFrame
ONLY THING IS: It lags on like the CSS and stuff, at least it's not gameplay