I'm new to getting a GBA/DS lite flash cart. I did some research on EZ-flash but I still have a few more questions before I buy. I wanted to a Gameboy SP and DS lite compatible flashcart. I wondered if there was any around? I also wanted to know which have a built-in cheat feature and lastly if they would be able to migrate with any of the retail Pokemon DS games or just migrate with an Acekard2i? I know it's a lot to ask for in a flash cart but I don't want all my efforts on the games to be wasted.