Okay. im a newbie here. this is my first time having a psp. now, I dont wanna buy some UMDs to play. I want to play games using my memory card. now, I've followed lots of tutorials but nothins happenin. I think I need to leave this to the PROs.

I got PSP 3006
System Software: 5.55

do I need to downgrade or somethin? what do I need?
but how? Im afraid geting my 1st psp explode. LOL!