EP 5) How to Run PS1, PS2 & PSP Games on a PS4 (7.55 or Lower!) - The GamePad Gamer
Guide to: Converting PS1 games for PSP | GBAtemp.net - The Independent Video Game Community
How you can Play a Bin File on PSP - Media | RDTK.net
Nagato's Revenge on Twitter: "How To Convert PS1 EBOOT.PBP Games To BIN/CUE PS1 Files! - Works With RetroArch/PS3/Vita/PSP #PS1 https://t.co/tArmNo9e48 https://t.co/vmgwG0yS7v" / Twitter
Best ps1 emulators for psp | Play ps1/psx games on psp(eboot) - Techbroot
Best ps1 emulators for psp | Play ps1/psx games on psp(eboot) - Techbroot
Still one of the best ways to play PS1 games on the go these days :D : r/PSP
PSX2PSP v1.4.2: How to Convert PSX games to PSP - CDRomance