Chú Đại Bi Toàn Thư is an educational app designed to help Buddhist practitioners learn and practice the Chú Đại Bi, a Buddhist prayer. Developed by Vũ Khúc, this app is available for Android users and can be downloaded for free from the Google Play Store.

The app includes a collection of Buddhist scriptures related to the Chú Đại Bi, which consists of a musical version of the prayer to help users easily memorize it. The app also features a recitation of the prayer by Thích Trí Thoát, a renowned Buddhist monk, and a set of 42 hand gestures to accompany the prayer. Additionally, the app includes a set of 84 images that represent the different verses of the prayer, as well as a question-and-answer section related to Buddhist teachings to help users deepen their understanding of the practice.

Overall, Chú Đại Bi Toàn Thư is an excellent resource for anyone interested in learning and practicing the Chú Đại Bi. The app is easy to use and provides a comprehensive set of resources to help users deepen their knowledge and understanding of this important Buddhist prayer.