Jun 22, 2014 - Mobile app developer, Eggsystems Inc., has announced the iOS version of Pickle's Book, an app for children from two years up and all people who have childlike curiosity. Pickle's small rooms lead to different worlds. Playeres will find objects to give to Pickle and keys leading to mysterious locked doors where crystals are hidden. Something marvelous may happen when you have collected all four crystals. Explore the amazing world or play in an amusement park with Pickle.