The picture book of Ollie and Olivia is supported by this educational application. In this application the children can get started with numbers, neighbor numbers, sums, shadows, writing patterns, vocabulary and much more. The children can practice on four different planets. On every planet, children can play educational games or listen to the story. For example, there is a language planet, math planet, game planet and a reading planet. Language Planet: On the language planet, the children get