Now all early education apps can be found. I recommend two that my children like. You can try.

There are many interesting stories in Hamburg's children's stories, such as popular science, enlightenment of Chinese studies, biographies of famous books, award-winning picture books and so on. And there are no advertisements, so it is no problem for children to teach themselves.

Children's English learning software, from the pronunciation of English words to the method of memorizing words, is very comprehensive and suitable for English enlightenment.