Ghost Call Prank

Want to please your friends, this application is the answer, the way is very easy, when again gather together with friends somewhere, the best is at night and indoors, Run this application, and set the time when the phone will ring, The best time is 1 minute, after that put your cellphone on the table, and pretend to go to the toilet, and you will burst out laughing at them scared when the phone rings,because the person calling is ghost.