RSSB Santon Ki Bani is an Android application developed by AVR Group under the Education & Reference category. It is a free application that contains a collection of hymns by various mystics, including Hazur Soami Ji Maharaj, Sant Kabir, Dadu Dayal, Mirabai, Bulleh Shah, Goswami Tulsidas, Sultan Bahu, as well as selected hymns of different Gurus in the line of Guru Nanak. This book provides a means to clearly understand the principles of Sant Mat. The application is user-friendly and easy to navigate, making it accessible to people of all ages and backgrounds.

The program is structured in a way that allows users to easily search for hymns by author or keywords. The collection of hymns is extensive and provides a comprehensive understanding of the teachings of various mystics. The application is a valuable tool for those interested in learning about the principles of Sant Mat, and the collection of hymns is sure to leave a lasting impression on the reader. Overall, RSSB Santon Ki Bani is a well-designed and informative application that is highly recommended for anyone interested in the teachings of mystics and saints.