The first 2 years: PSP has sold better in the US than PS1, DS, more | Engadget
PlayStation Portable - Wikipedia
Sony makes clear it will still sell PSP games on the PS3 and Vita stores - The Verge
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
How to Download PSP Titles to PS Vita – PlayStation.Blog
Retro Review: Medievil | Engadget
New PSP Announced At Gamescom 2011 – PlayStation.Blog
Persona 2 PSP missing some content, apparently – Destructoid
A Look at How Well the Vita Works as a Portable PS1
PSP - PS1 Games Link added a new photo. - PSP - PS1 Games Link
Found my old broken PSP, fixed it, completely forgot PS1 games were available on it back in the day, calmed down, played Crash. : r/crashbandicoot
Best ps1 emulators for psp | Play ps1/psx games on psp(eboot) - Techbroot
Lunar Silver Star Harmony (PSP) VS. Lunar Silver Star Story (PSX) - YouTube
PSP VS PlayStation Vita Comparison - Video Games Blogger
The graphics gap between the DS and PSP was much larger than the graphics gap between the 3DS and PSVita. : r/gaming
The PSP is such a great emulation device. Currently playing a lot of SNES, Mega Drive, MegaCD and PS1. : r/PSP
Review: Star Ocean 2 PSP port is spot-on | Ars Technica
Ape Escape PS1 vs. PSP #14 - YouTube
Why Spend $99 on a PlayStation Classic When You Can Hack a PSP and Never Shut the Fuck Up About It?