Today a new flashcard team ace3ds team released their first flashcard for SD/DSi/3DS, it is a new 3DS flashcard, and just same as other regular flashcards,this card is only running DS games (DS mode ) on 3DS,it can not play 3DS games. Here is the instruction from official site : http://www.ace3ds.com/ About ACE3DS ACE3DS is SLOT-1 flash card for NDS console series. It is produced by the factories of Original R4 and Original Dstt.It is upgrade versions of R4 and Dstt with multi-media features which can support SDHC and run most games and homebrews. It has widely been owned by many NDS player users. Supports Nintendo 3DS ver 2.1.0-3(J,E,U) as well as the newest DSi V1.4.3 Firmware perfectly. Adopts latest mochip to enlarge standby time. Built in moonshell 2.10 beta, brower,EMAIL and E-books sofeware supporting. Built in RTG Function to boot slot-2 perfectly. And also find two official resellersz3ds Ace3ds and Digitopz Ace3ds According to their prices, this is really a cheap card compared to other cards. it is only about 10USD and even provide freeshipping. Until now, we dont know where this card comes from and what firmware it uses, the official site is a new site and looks like still work in process. But it has been confirmed that this card is working on both DSi V1.43 and 3DS V2.1.0-3, it is a good begnning, hope this card will bring more game experience and more powerful features for players. More details about this card, i will keep focused on it and post the info here!