2. Call Reading is an application that focuses on children's reading, mainly for children aged 3- 12. It provides rich resources for children's books, including picture books, fairy tales and children's literature. Reading pays attention to enlightenment education and reading guidance, and helps children cultivate their reading interest and improve their reading ability through the classification, recommendation and interactive functions of books. In addition, call reading also provides a parental monitoring function, so that parents can check their children's reading records and progress and understand their reading situation.