Officially, Forza Horizon 4 is not available on PSP, as it's a console-exclusive game for Xbox and PC platforms. However, using the PPSSPP emulator, you can play Forza Horizon 4 on your PSP device by downloading the game's ISO file. Please note that this method is not officially supported by the game developers or Microsoft, and it may require some technical expertise.
: If you own the game on PC, you can stream it to your phone via your local home network using the Steam Link app or Moonlight Game Streaming . Forza Horizon 4 Ppsspp Iso File Download