Ah aight. So it can play shit like Super Mario World fine? How does emulation work on the PSP widescreen?
I had no problems playing anything on the PSP Slim, for comparison sake I had tons of problem with the old PSP D-Pad and no problem with the PS2/3 D-Pad outside of fighting games. Most emulators on PSP have a variety of options when it comes to screen sizes. Usually there is 1 to 1 pixel where the image is squared in the middle of the screen, then full where the screen is stretched while still keeping the perspective with black bars on the side, then there is fully stretched where it ruins the actual game perspective, but it fills the entire PSP screen.
Most games are playable on the PSP. Only problems are PS1 games that require dual analog sticks or heavy usage of all 4 shoulder buttons.