Useful Clock (org.jastrzab.zegar) on Google Play
Clock widget with date, countdown and flashlightFEATURES ● set application which will be launched by clicking on clock or date ● set date format ● mode 12/24 set automatically ● enable flashlight by touching on clock ● clock styles ● color changing ● consumes very little battery power ● countdown clock with signalATTENTION ● permissions Camera and Drawing on other applications are used by flashlight ● permission Vibrate is used for countdown notifications