Screen Tools is a utility app about the display of device.
You can darken up the display when you feel it too bright. It is more efficient when you use the adjustment function of screen brightness.
You can decrease the contrast of the display to avoid peeping in public space, such as train.
Custom Color Filter
You can change the color tone of the display.
This feature is convenient to show some contents to children or other people. After 5 seconds, the device will neglect the operations of touch screen, back button, home button, multi-task button and menu-button. Please press the power button to unlock.
The pattern like broken display is shown on the screen. The pattern will be shown over other apps or lock screen.
The grid pattern is shown on the screen. There are 4 types of grid, 50px, 100px, 200px and 400px.