Sony PSP 2 announced, uses quad-core CPU

Sony PlayStation Portal Review

Sony PlayStation 4 Hidden CPU Core Unlocked

Sony PlayStation Portal Review

PlayStation Portable (PSP) Architecture

PSP 2 unmasked as Sony NGP: Next Generation Portable

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

PlayStation Portal: Alternatives to Sony's £200 streaming handheld

PlayStation Portable / Platform - TV Tropes

Sony PlayStation Portal Review