If you want to play the real, un-modded version of the game, it is supported on the following platforms: Windows PC (Available via Steam or the Microsoft Store )
Be extremely careful with sites claiming to have 'official' mobile or ISO ports. Many of these contain malware or dead links. Forza Horizon 4 Iso File For Ppsspp
Most "Forza Horizon 4 PPSSPP" downloads found online are "mod skins" of older racing games that actually existed on the PSP. If you want to play the real, un-modded
It is important to clarify that there is no official " Forza Horizon 4 un-modded version of the game
: Most "Forza PPSSPP" files are actually older racing games, such as Test Drive Unlimited , that have been "modded" with new textures, menus, and splash screens to look like Forza Horizon 4.