If you want the game to look "better" than it did on original hardware, use these settings in PPSSPP:
Optimized Guide: Playing Final Fantasy Type-0 on PPSSPP Playing via the PPSSPP emulator is often considered superior to the official HD port by some fans due to its original stylistic "videogamey" aesthetic and the clarity of the unofficial fan translation. Originally a Japanese exclusive for the PSP, this dark, mature entry in the Final Fantasy series follows Class Zero—a group of 14 elite students—as they fight a brutal war against the Militesi Empire. final fantasy type 0 ppsspp highly compressed better