Same size as original DS game cartridges Supports the Wi-Fi game and DS Browser Backward compatible with Nintendo DS consoles Uses Micro SD cards for memory (TransFlash) for storage of data Varying speeds of Micro SD cards supported HC memory cards supported Drag and drop facility directly on Micro SD card and play Standard FAT format supported Easy touch screen controls with multiple skins Direct boot with built in PassMe technology (no boot cartridges required) Upgradable Firmware ( OS / Bios / Kernel ) Boot clean dump images (downloadable from internet) Homebrew support , IO lib available on launch