Want to scare your friend? Sneak your phone into the friend's room, turn on the application and wait to see (or hear) what happens when the lights will be turned off :)
Lights Out Prank detects when the lights go out and plays a scary sound.
Tested on HTC Desire.
Tags: prank virus , scary when the light go off , lights out , scary sounds when lights go out ap , lights out prank apk , lights out prank , htc prank , lights out ratings rise