APP content:1. Vocabulary: Rich vocabulary with images to deepen learning and memory.2. Sentences: Sentence practice is clear, easy to speak English!3.Phonics: Quickly master the rules of natural pronunciation, and lay a good foundation for pronunciation.4. Game: Check and accept the learning achievements through the flop game, and increase the difficulty according to the book.5. Learning record: A yellow asterisk will appear in the subject area after the unit has been studied.6. Song: Sing and dance to make the English learning journey full of fun!