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.
Vimm’s Lair is a decades-old preservation site. While they focus on standard BIN/CUE, they offer a “PSP Ready” section. ps1 pbp roms archive top