What (and processor) are you using to emulate the game?
If you've acquired a Final Fantasy Type-0 ISO file (either through purchase or other means), here's a brief guide on how to play it on PPSSPP: final fantasy type 0 ppsspp highly compressed
Final Fantasy Type-0 on PPSSPP: How to Get the Highly Compressed Version (And Is It Worth It?) What (and processor) are you using to emulate the game
Off (Or set to 1 if your device heavily struggles). final fantasy type 0 ppsspp highly compressed
2x PSP (For crisp graphics on mobile) or 3x/4x PSP (For high-end devices and PC). Display Resolution (HW scaler): Native device resolution. Hardware Transform: Checked. Software Skinning: Checked. Vertex Cache: Checked. Lazy Texture Caching (Speedup): Checked. Audio Settings Global Volume: 7 or 8.