Learn Chinese – ChineseSkill is the must-have app for all Mandarin Chinese beginners. This app includes 500+ fun and engaging mini-lessons that will teach you everything from Pinyin to Chinese grammar and train your listening, speaking, reading, and writing skills.ChineseSkill’s core curriculum is designed by professional CSL (Chinese as a Second Language) teachers in accordance with the unique characteristics of Mandarin Chinese. The curriculum covers grammar and vocabulary required to pass HSK 3-4.