The "Forza Horizon" files found for PSP are usually or high-quality reskins.
Assuming you have a PSP and legally own the game disc or digital backup: forza horizon psp iso install
While not a festival sim, it features a territory-control mechanic and deep autosculpt tuning. The open-world map is dark, gritty, and highly replayable. The "Forza Horizon" files found for PSP are
It is important to clarify that
Creators replace original game textures, car models, and UI elements with Forza-themed assets to mimic the look and feel of Horizon on the handheld. Performance: we assume you have a PSP
Since you are searching for an ISO install, we assume you have a PSP, PS Vita (with Adrenaline), or a PSP emulator (PPSSPP). Here is the universal installation method.