1. Reading - Alphabets, numbers, and vocabularies are ready for reading study. 2. Listening - Selected voice will speak clicked letters or vocabularies with precise pronunciation. 3. Speaking - App will analyze your voice and correct your pronunciation. 4. Writing - Your handwriting is recognized whether it is written correctly. +@ Quiz game - You can review your study with a quiz game. It is a fun and effective way to memorize your language. You can choose interface language and voice. Vocabularies will be updated periodically. It is free to download and study. In-app-purchase, the subscription will enable all the features with infinite points. Try downloading it free.