Notice: Supercard DSTWO card support Nintendo DS, DS Lite, DSi and 3DS.

The first built-in CPU flashcard in the world, the supercard DSTWO 3DS Card for Nintendo DS, DS Lite, DSi, DSi XL & 3DS is a high-end slot-1 flash cart solution that allows you to launch games, run applications and play media directly from the device. Simply place your files onto either a micro SD or SDHC memory card (sold separately), insert the micro SD into your supercard DSTWO, your cart into your DS, and turn the system on.

Playing games and media has never been easier! The supercard DSTWO, with its beautiful Evolution (EOS) operating system and a powerful on-board processor offers unique and exciting features that you won't find anywhere else. Features such as full GBA emulation, a powerful new GUI, a real-time guide, an integrated auto-patch database, as well as being one of the few flash carts that allows users to upgrade the core firmware. If you're in the market for a sleek and feature-rich flash cart for the Nintendo DS, DS Lite, DSi or DSi XL, the supercard DSTWO is the one for you.

DSTWO user manual: http://eng.supercard.sc/manual/dstwo/use.htm 

The  feature list for the supercard DSTWO as follows:

-Powerful new GUI
Completely redesigned the GUI can bring you a new beautiful interface. And system menus will also give you more friendly user experience, touch operation, saves time and effort!

-New exclusive feature "Free Cheat"
This new exclusive feature during game play will allow you to search for and enable various cheats and hacks, such as modifying or even locking your characters health or enabling/restocking power-ups.

-New exclusive feature "iDS Anti-Paricy"
Utilizing the CPU, DSTWO can emulate orginal cartidgecan, pass through and bypass any anti-piracy measure which is the first cart to do so. Most of the games will never need to be patched to run.

-Real-Time-Save power up!
It increased RTS slots up to 4 individual slots. Additional, added the 3D data intelligent detection function, to improve the compatibility of 3D games so that it can be more stable. Moreover, also fast read & write speed as always.

-Hardware supports slow motion
Changed the slow motion function from Cheat code method to hardware method. Better stability and compatibility.

-Full-featured upgrade cheat function
Easy to use, compatible with popular DAT format cheat database now. It’s easy to get the cheat code. And it’s also inherited the supercard exclusive Real-Time-Cheat function.

-Evolution of Real-Time-Game-Guide
With the beautiful and small font so that could display more on the screen. Supports picture guide, then you won't lose your way in a deep maze. In addition, supports for direct reading .Txt text file, more convenient to use.

-Convenient file-operate fucation
You can be open the file browser to cut, copy, paste, delete files as you like, so that you can do some simple file operations without computer