Features:
Acekard 2 use the technology of directly writting save file to MicsoSD card. No need to manually select save size or backup save when turn on DS. No battery needed. Acekard 2 can use save files from other flash carts and do not need convert. All you need to do is make sure the save file has the same prefix name and put it at the same directory of ROM. Then you can just run the game to use new save file.