Do you want just some minutes of peace and quiet?
Do you have to keep it in silence for a determinate time?
With this application you can keep your phone in silence mode or in vibration without having to worry about turning it on again. You have to simply select the time you want, and when it's finished, everything would come back to normal.
It's perfect for working, class, cinema...or any other place where you don't want your phone to go off and without having to concern about conecting the sound again.