Edge

EDGE is a multi functional media adapter for NDS. It accepts MicroSD and MicroSDHC cards. EDGE allows use of Homebrew DS applications, multimedia (via Moonshell) and commercial NDS applications via the SD interface. EDGE is easy to use, just load the EDGE OS (download from support section) onto the MicroSD together with your favourite applications, plug into EDGE then insert the EDGE cartridge into the DS and you're ready to go!

EDGE Features:
Supports MicroSDHC cards up to 32GB
Plays Commercial NDS ROM
Plays Homebrew NDS ROMS
Touch to execute OS system
Works with Moonshell for multimedia playback such as movies and MP3's
Frequently updated OS for best compatibility
Action Replay compatible cheat system
Brighntess adjustment for NDSL
In game reset
Full download play support
Supports slot 2 expansions
Multi language user interface
Save game saves directly to Micro SD
Automatic save game type detection
Supports clean ROMs
Robust non-spring loaded Micro SD slot
Micro SDHC card reader included

Download:http://www.linfoxdomain.com/nintendo/ds/dl.php/EDGE_OS_v1.45.zip