My new toy is not working well

I won a PSP last Christmas but then I found that Nintendo DS games are more fun and a lot more idiot proved. So, after much consideration and pestering, Louis got me a new Nintendo DS. I love my new toy, his colleague also help to upload lots of games for me. While I was really hooked to the game, my DS gave me problem. This is the second time that I am unable to load the game, it gave a blank screen..What the XXXX right?

But I must said, other than the idiot proved games, DS is no way near PSP.

My PSP