FrogDogMedia and The Jim Henson Company today announces What Do Doozers Do? Fraggle Rock Kids’ Book in the Apple App Store. Based on the award winning TV series Fraggle Rock, this book app features beautiful, classic, hand-drawn illustrations in a fun and entertaining story. Pages can be turned automatically or manually depending on the age and preference of the user. The app also includes highlighted text to help beginning readers make associations between the words they hear and see.