A free program for Android, by Sweet App Logic.

Fake Call – Incoming Call Prank is a fun app for your Android device that allows you to make prank calls to your friends with your own name and picture. It also lets you set a custom voice and even record your own.

This free fake call application is a good way to have some fun and be creative. The app has various options that will help you to set the call up and make it more realistic. It can also be used for entertainment purposes, such as a ringtone, message, and voice recorder.