This app Turns your device into ultrasonic sound emitter to repel
Humans and prank them. By adjusting power level you can increase
ultrasonic sounds in an awful levels and play with your friends to
annoy them. Please use it responsible and in a good ways and only
for fun ! Thanks you for supporting us !
Ultrasonic Sound Generator / What's New in vUnknown
Bugs are fixed.
New device support are added.
New device support are added.