Vibe Pro (ac.takeshi.vibingpro) on Google Play
This Application is dedicated for vibration.While touching the screen(anywhere), Your Android is vibrating.This application does not go to sleep mode.Professional Version is added new functions as below.You can control the rhythm of the vibration by touching point.Interval and vibrating time can be changed.Left side is short interval. Right side is long interval.Upper side is short vibrating. Lower side is long vibrating.You can change the background color from the menu button.