Format your Micro SD card using FAT32 (4gB MAX) then extract the contents of the following zip file to the root of the card. Create a new folder for your ds roms called games.
Folder structure should be as follows:
moonshl2
_system_
games
_DS_MSHL.NDS
_DS_MENU.DAT
_AX_MENU.DAT
Download > N5_revolution_55026_English
With respect !!!