May I suggest Flashlight?
• STROBOSCOPE (new!)
• SOS mode for emergency situations
• BATTERY status
• EXTERNAL CAMERA BUTTON to turn the light on/off
• SHAKE to turn the light on/off (configurable)
• Runs under LOCK SCREEN
• White screen mode (new!)
• WORKS ON ALL WINDOWS PHONE 8 and WINDOWS PHONE 7 DEVICES! (*)
• BRIGHTEST Flashlight on the Windows Phone Store!
• FASTEST Flashlight application on the marketplace!
• ENERGY EFFICIENT: you can continue using your Flashlight after you switch off the screen display
• NO CONFIGURATION needed, just start Flashlight and it will shine using the CAMARA'S LED!
• NO FLICKERING like in other apps!
• WIDE TILE support for Windows Phone 8.0 and 7.8 devices
• SAVES your BATTERY LIFE!
(*) Lumia 505, 510, 520, 521 and HTC Mozart does not have LED flash so it will use white screen.
Flashlight is a real survival tool, very useful when:
✓ power goes out
✓ you are hiking or sailing at night
✓ trying to read at night
✓ trying to find something in the dark
✓ in emergency situations