Rumour: New PlayStation Subscription Will Give Access to PS1, PS2, PS3, PSP Games | Push Square
Sony's PSX emulator for PSP hacked to run any old PSX ISO | Engadget
Videojuegos de PSX en tu PSP | Curiosidades de videojuegos | TUS VIDEOJUEGOS
Are the PS1 games on PSP emulation or is there some sort of hardware backwards compatibility ? I wanted to put all my PS1 games on it but idk if there can