sFilter - Blue Light Filter

Free Blue Light Filter, 18 Filter color for protect eyes, Blocking Blue Light

Please blocking Blue Light and protect your precious eyes!Status bar, Widget, Schedule and all convenient functions are free.Blue Light Filter function.18-color blue light filter for protect eyes.When adjusting the screen dimmer automatically apply blue light filter.Blue light filter is faster speed because I only put essential function.This app is free.🌟 Key Function- Blocking the blue light that reduces eye fatig…