If you want to play a good open-world or arcade racing game on the PPSSPP emulator, consider these legitimate PSP titles instead:
While you cannot use PPSSPP, you can play the actual game on your mobile device using modern technology: Forza Horizon 4 Ppsspp
If you specifically want Forza Horizon 4 , you need to play it on: If you want to play a good open-world
Devices like the Steam Deck, Asus ROG Ally, or Lenovo Legion Go are handheld PCs. You can install Windows or SteamOS and then install Forza Horizon 4 directly from the Microsoft Store or Steam. This is native gameplay, not streaming. Asus ROG Ally