- Supports all version N3DS console
- Support the DSi upgrade to V1.41
- Supports 3DS/DSiXL/DSi/NDSL/NDS
- Supports the WIFI-game.
- Supports Action Replay cheat
- DLDI auto- patching
- User friendly interface,easy to operate.
- Sleep mode function,for power saving and longer standby time.
- 2nd generation storage device (no booting tool required)
- Flush fitting slot 1 card
- Uses MicroSD card, FAT16 or 32
- Supports any MicroSD card speed with no lag in game
- Supports Clean ROM, drag and drop. Works on any OS
- Built in NoPass
- Automatically detect save type
- Save directly to MicroSD card, not to onboard chip
- Supports Moonshell and other homebrew. Open I/O interface
- User friendly skinnable interface. Touchscreen or button operation
- Supports rumble pak and memory pak
- Supports the WiFi game, DS Rumble Pak, DS Browser
- Supports changes of the background of Operation Interface
- Support Skin DIY by setting background and font colors on Main Menu and Game Menu manually and automatically
- Supports 4- scale- lightness adjustment ( DS Lite only )
- Supports the Soft Reset.
- moonshell 2.1 support Software Reset function( Press START key back to the R4Li menu)

Official Site: http://www.r4li.com/R4.html