Have you put your phone in silent mode and searching for it...Then Find Phone app is what you need!!!!
This app is to find your phone when it is on silent mode and you are not aware where you had kept it. All you have to do is to download this app and set a custom message along with an alarm sound. In order to find your phone, type in the set custom message and send it to your phone number by using a different phone.Alarm will start playing in your misplaced phone thus enabling you to find the exact location of the phone.