Makes it easier to use large smartphones with one hand by introducing a computer like cursor controlled with one finger by swiping from edge of the screen. Easy to use: 1. Swipe from left or right margin from the bottom half of the screen. 2. Reach the top half of the screen by dragging the tracker using one hand in the bottom half. 3. Touch the tracker to click with the cursor. The tracker will disappear on any action outside the tracker or after a period of time. The app is free and without