Playstation Portable - Classic Console Upscaler wiki
We need you to achieve Native Resolution for PSP games on PSVITA! : r/VitaPiracy
PlayStation Portable - Wikipedia
How to configure the Android version of the PPSSPP emulator
A look at the bounty for native resolution PSP emulation on the PSVita through its built-in PSP hardware - ColdBird says it's possible to do and not just a pipe dream! -
Increase video-out resolution for PSP3000? - wololo.net/talk
Solid State Peach PSP Slim & Lite Skin | iStyles
gpSP pixel stretching, how do I get pixel perfect resolution without using GBA's 1x res? : r/PSP