Things You'll Need
Instructions
Insert the USB adapter of the R4 in to the USB port of your computer that has the ROM file on it.
Open the memory stick folder on your computer so that you can view its contents.
Unzip the ROM file on your computer and open up the file containing the unzipped files. Transfer the file for the game that ends in ".nds" to the memory card file folder.
Insert the memory card in to your DS and open up the folder on your DS. Open the game and enjoy playing it.