"The microSD format was invented by SanDisk. It was called T-Flash, then TransFlash and renamed microSD when adopted by the SD Card Association ( SDA). So Yes Its the Same
did a little research an apperently yes u can use a micro sd card for the 3ds... this is from this article check it out hope it helps -http://r4town.com/news/139/How-to-mod-Nintendo-3DS-with-R4-card.html If you want to avoid trouble, you can also buy a MicroSD card together, and ask the reseller to install the software and games for you. happy bidding !
decided to take a chance and hope it works...lol if not i can relist it ...thanks for going to the trouble of looking it up for me..thats awesome and absolutely gave me reassurance to bid... :)