Well, they have a app for that –a t least a LeapFrog App.  LeapFrog, the makers behind educational DVDs, toys, and electronic devices for children have a app store for two of their systems.  They have now added Sesame Street videos to their app store.   Each of the videos is an episode from the recent season of Sesame Street.   According to a press release, each video episode of Sesame Street will retail for $6 at the LeapFrog App store.     LeapFrog apps are compatible for the LeapPad and Leapster Explorer electronic learning systems.      Both devices have a recommended age range of 4-9.   The LeapPad retails for $99, while the Leapster Explorer retails for $69.99.