Play Rainbow Six: Rogue Spear (PSP) with brightness turned down and headshot-only rules. Alternatively, stream the PC version to your phone via Moonlight + Sunshine.
Therefore, any file claiming to be "I.G.I. for PPSSPP" falls into one of two categories: a mislabeled file or a "modded" version of a different game. Igi Iso File For Ppsspp
was developed exclusively for Windows PC by Innerloop Studios in 2000. Play Rainbow Six: Rogue Spear (PSP) with brightness
If you are looking to document or create a guide (the "paper") on how to set this up, here is a structured outline you can use: Igi Iso File For Ppsspp