High-traffic download links claiming to be "MC4 for PPSSPP" are usually mods of games like Medal of Honor: Heroes 2 Resistance: Retribution
Modern shooters require internet. Modern Combat 4 (via PPSSPP mapping) allows you to play offline. You can level up, unlock weapons like the Honey Badger and KSG 12, and play modes like "Battle Royal" (pre- Fortnite ) without a Wi-Fi signal. modern combat 4 ppsspp