A free program for Android, by London Floor21 Limited.
What is Marcophono?
Marcophono is the most fun and most amusing app for fooling your friends! With Marcophono you can make a prank call to your friend or family member and pretend that you are calling from a different phone number. You can use the same number and just change the caller name, so your friend or family member will think that you are calling them.
How does Marcophono work?
You can download the app from the Google Play Store and open the app. Then you can select the number that you want to call. You can also select the type of call that you want to make. In the next step, you can select the person that you want to call. Then you can choose the voice that you want to use. You can change the caller name and the phone number.