A free program for Android, by SmartJoys.

Virtual Grenades is an extremely funny application that will allow you to play a prank on your friends and family by turning your phone into a virtual grenade. This application has a lot of options to make the prank more realistic.

First, you can turn your phone into a ticking bomb by removing the cotter pin from the grenade.

Second, you can set the time for the explosion.

Third, you can play with friends.

The application also includes an option to play with a random person.

The way this application works is that the user will be given the option to turn the phone into a ticking bomb and then the user will have to remove the cotter pin from the phone.