If you want a similar open-world racing experience on PPSSPP, try:
: This cloud service allows you to play the Steam version of the game on mobile without needing a high-end PC. Official Platforms for Forza Horizon 5 Forza Horizon 5 Ppsspp Iso Download Android Mobile
But here is the cold, hard truth you need before you waste hours searching for a file that does not exist. If you want a similar open-world racing experience
: Many sites or videos claiming to offer a "Highly Compressed FH5 PPSSPP ISO" are often providing mods of older PSP racing games (like Gran Turismo or Need for Speed ) with updated menus and skins to look like Forza. Forza Horizon 5 Ppsspp Iso Download Android Mobile