If you are still looking to do something fun for April Fools Day today but do not have any idea what you want to do you might want to check out a new Facebook application called HeyCosmo Prankster. Now, I have written about HeyCosmo previously and they are offer a prank call application on Facebook. With HeyCosmo Prankster prank calling your people is made easy. HeyCosmo Prankster does the work for you by simply typing your wicked custom message, enter their telephone numbers and we do the magic behind the scene. Done! Your April Fools prank made easy thanks to HeyCosmo Prankster.