This paper discusses the development of mobile application (app) to improve children’s literacy skills, based on the Malaysian Ministry of Education’s Literacy and Numeracy Screening (LINUS) screening program. The app, named Literasi LINUS, or LiLIN, was designed in the context of educational media for children and a cognitive apprentice pedagogical approach. By using Adobe Photoshop and Kwiksher software in development process, this application makes full use of all the advantages of the iOS platform, as well as the iPad capacities. The key of LiLIN application’s features include: learning the syllables and words spelling in interactive multimedia and multi-touch ways-response automatically to right or wrong answer, integrate spelling audio for alphabets and syllables, spelling and writing practices, and the game-like approach for active and collaborative learning. The presentation of every lesson is based on short stories with illustrations and background music as well. As an educational tool, LiLIN was designed to enhance collaborative learning as well. The analysis, design and development process involved in the development of LiLIN is presented and analyzed in this paper based on an approach called Analysis, Design, Development, Implementation and Evaluation (ADDIE).