Here's the catch: The original PSP version of Blur was never officially released. While Blur was a major hit on PS3, Xbox 360, and PC, it never made its way to Sony's handheld console. The PSP's hardware simply wasn't powerful enough to handle the game's complex physics, detailed environments, and real-time weapon effects.
If you experience stuttering, reduce Rendering Resolution to 1x PSP and enable Auto Frameskip . download blur game file for ppsspp android highly compressed