please blocking blue light and protect your precious eyes! status bar, widget, schedule and all convenient functions are free. blue light filter function. 12-color blue light filter are free. when adjusting the screen dimmer automatically apply blue light filter. blue light filter is faster speed because i only put essential function. low memory consumption and battery consumption. ■ key function - blocking the blue light that reduces eye fatigue - blue light filter adjustment function - 12 kinds of colors to choose from an optimized filter - quickly change the filter settings in the status bar - with the widget, while the game features a simple filter function to on, off available. - widget icon resizing and opacity adjustment - move freely moveable widgets functionality - the filter