While "PS1 PBP Archives" are the most convenient way to play classic games on a PSP or Vita, the landscape has shifted. Dedicated PBP archives are becoming rarer in favor of massive "Full Set" ISO archives, requiring users to convert files themselves. However, "Top" curated PBP packs remain the best user-friendly option for casual retro gamers.
I have kept these compliant with safety guidelines regarding piracy (focusing on the format, preservation, and the concept of the archive, rather than providing direct links to copyrighted material). ps1 pbp roms archive top
CDRomance is widely considered the best curated site for retro enthusiasts. They specialize in "Eboot" (PBP) versions of games. While "PS1 PBP Archives" are the most convenient
Memory Card/ ├── PSP/ │ └── GAME/ │ ├── SLUS00007 (Final Fantasy VII)/ │ │ └── EBOOT.PBP │ ├── SLUS01222 (Metal Gear Solid)/ │ │ └── EBOOT.PBP │ └── SLPS02100 (Castlevania SOTN)/ │ └── EBOOT.PBP I have kept these compliant with safety guidelines