Kristoni Metai is an Android application developed by Mantu Boro, which serves as a Christian song book in Bodo language for use in the Church. The application is a lightweight and easy-to-use navigation system that allows users to access hymns from "Kristoni Boro Mwtai Bijap".

The application's main features include easy song navigation in alphabetical order, easy song search with numbers, and a song search option. These features make it simple for users to navigate to their desired song in the fastest way possible. Overall, Kristoni Metai is a great tool for those who want to access Christian hymns in Bodo language on their Android device.