You can't have more than one game on a micro-sd card at a time and only works on 3ds 4.1-4.5 system, after all that, you're still interested look up either the MT-card, Gateway 3DS or the R4i Gold 3DS edition. FYI, http://www.thegamerdepot.com/r4i-gold-3ds-deluxe-edition-p-169.html that's what i use