Company iDev2.com created these great apps:
iToot, SoundBox, Animal Farm, ABC Letters, ABC Sign, Tell Time, iSign, ABC Words, Afraid, iSign Lite, Animal Farm LITE, PopUp, Scare, Tell Time LT, iPunch, Baby Sign Video (ASL) - American Signs Language Learning Signs for Children, Baby Sign (ASL) Free - American Sign Language Learning Signs for Kids, 4 Letters, Puppy Jumper, and others..