A-Strobe: Simple Stroboscope (today.app.a.astrobe) on Google Play
The simplest LED stroboscope. Switch on / off by pressing the icon. Regulated by volume buttons.Works with locked screen.Off automatically after 30 minutes to save battery life.A-Strobe is free and contains no ads.Please leave a good review and share the strobe light with friends if you like it.---------------------------------------It doesn't work on Nexus 5 for now.