Hi all,i have this problem.trying to installed the psx games for my son. i got this game Raiden Dx. it onsist of 1 folder called psp.when i double click on the folder,it got another folder called Game.And when i double click it again,it got this folder : SLPS00728. And when i double click it again, inside got 2 files,1 is called : EBOOT.PBP and the other one called : KEYS.BIN how do i go about to get the file into the psp and play it on psp?i did alot of research but i can't find the so called MS root.I only can see MP Root folder. where should i place the file and what file should i place and in what folder?