rolling credits xscreen 4 mode for learning,ect. It works ok on a O3DS. I think mite be way better on the new systems. It does work great on a old 3ds as a single screen top or bottom in xscreen modes other then 4. your have to reset res setting back for screens you want it on in GCOPY, PRINTX, PRINTY, XSCREEN 0-3, ect. have fun learning from it. SGM Darkcon.