Use AetherSX2 or NetherSX2 . This allows you to run the PS2 version of the game.
was notoriously plagued by technical issues. Even on powerful consoles like the Xbox, the game suffered from significant bugs and frame-rate drops due to the complexity of its 1:1 Manhattan recreation. Rushing the game for a holiday release meant the hardware was already struggling; a port to the much weaker PSP hardware was likely deemed impossible at the time. How to Actually Play It on Mobile is a dead end, you still play True Crime: NYC true crime new york city ppsspp work
If you find the 30 FPS cap too sluggish, there are community-made codes available. Use AetherSX2 or NetherSX2
Do not worry. These issues are solvable. Even on powerful consoles like the Xbox, the
Set this to 1 (or "Auto"). This helps maintain game speed even if the hardware struggles to render every frame.