is a tiny ad-free utility (just 0.2mb!) to reduce blue light emitted by smartphones, tablets & Chromebooks. To understand the effects of blue light please refer to: https://en.wikipedia.org/wiki/Effects_of_blue_light_technology ✓ Multiple filters with different tints ✓ Edit/add filter colors to suite your mood ✓ Half screen preview of the filter ✓ Full range of opacity levels to dim the screen ✓ Timer to Auto ON/OFF at preset times ✓ Easily toggle on and off from status bar ✓ Quick access screen widget button ✓ Night mode black filter ✓ Ad-free (no ads) & no special permissions ✓ Tiny (0.2mb only) but full-featured