The highly customizable time warp scan app with HD resolution and brightness adjust support. How does it work? Time Warp Scan filter, also known as "Blue line filter," works by freezing the image on the screen incrementally as a blue line moves down, or across the screen. The common use of the Time Warp Scan Filter: Smoking illusion Uses the Time Warp Scan effect to create an image of exaggerated smoking. Mirror double Creates a mirror double that doesn't match the image of the person thems