It makes Minecraft gameplay look smoother and more professional for videos.
High-quality motion blur packs for MCPE are designed to be lightweight yet effective. Unlike heavy shaders that can tank frame rates, a well-optimized texture pack utilizes clever sub-packs and manifest settings to apply the effect without overheating mobile devices. The "extra quality" designation typically refers to:
“Turning while flying past a dark oak forest – trees smear into green/brown ribbons, but the crosshair stays crisp. Hotbar fades slightly. Zero stutter.”
Cyan and Black (gaming aesthetic).
Screen shaking combined with motion blur can cause disorientation. Turn this off in the video settings.