Contacts Hacker - Prank Your Friends! is a simple application that can be used to edit a device's contact list in a very easy and quick way. It's a tool that can be used to prank your friends and family members, as well as to cause some fun and chaos.

With this application, you can easily change the names of all the contacts in your device to a single name. It's a very simple and easy-to-use application that can be used to make changes to a device's contact list.

The application has a very simple interface, so it's very easy to use.

All the changes that are made are temporary, and you can easily undo them.