if you have a DSi and you actually own the game, you can take the cart, box and receipt into a nintendo store (i mean one owned by nintendo) and ask them to put the game onto the DSi and they will. It comes up as a sort of DSiWare. This was why nintendo removed the GBA slot and increased the power, it was something that they didn't advertise so well and therefore isn't widely known. They take up a lot of space compared to DSiWare though. I know you think i am joking but i am absolutely serious! You can do this, i have!