I recently bought the Gameboy Advance SP. It's screen seems to attract a lot of dust. After playing for a few hours I tried to wipe the dust that had collected off the screen with a cloth and ended up creating tiny scratches on it. I ended up taking it back and getting a new one. Now I'm afraid to even touch the screen. I've had the new one for three days and the dust and dog hair are collecting on the screen. How can I clean the screen without scratching it? Please help!