FartCall simulates a fake answered call from someone you know and when the user tries to answer, FartCall plays from a variety of different farts.

Sidenote: At the point of posting this program has been marked as beeing freely available without costs. As this program is hosted with the AppStore the status might change. Authors like to publish their programs for free for promotion purpose and then make it commercial. Also it could happen that the author decides to take the program down.

http://appshopper.com/entertainment/fartcall