LightOn Pro - Real FlashLight. Most Features: Switch On led from Lock Screen. Add Notification Led ON/OFF Widget. Torch Led On after press Power Button. Torch Led On after press Home Button. Switch On led from action bar. Physically tested on: Htc One M8. Htc One M9. Htc One A9. Samsumg Galaxy Core 2. Samsumg Galaxy S Duos. Samsumg Galaxy Grand Neo Plus.