Doljagi Hangeul begins with a storyDoljabi Hangul is a language play program that develops vocabulary and imagination through repetitive and rhythmic word play based on familiar life topics for children. This application is provided to help learn Doljabi Hangul.You can directly touch and move the contents learned with the picture book and play with words in a fun and fun way.In the application, story animation, nursery rhyme animation, and rockfish song are provided, and menus excluding some are only available to members who have purchased the book.[Smartphone App Access Permission Guide]When using the app, we are requesting access to provide the following services.[Required access rights]▶ Storage space -It is used to save the files required to run the app on the terminal.▶ Camera-Used to recognize QR[How to agree and withdraw access rights]▶ Android 6.0 or higher: Settings> Apps> Select permission item> Permission list> Select allow or cancel access permission▶ Under Android 6.0: Upgrade the operating system to revoke access or delete apps* For versions below Android 6.0, individual consent for items is not possible, so we are receiving mandatory access consent for all items, and you can revoke access rights by the above method. We recommend upgrading to 6.0 or higher.* Minimum supported Android version: Available from Android 4.1 or higher.* Depending on the model, you need to adjust the app screen ratio in the personal screen settings to display the screen correctly.Developer Contact:-Address: 16, Gasan Digital 1-ro, Geumcheon-gu, Seoul-Contact: 1577-1929