SA HLA BU is a free Android app developed by Lalsangpuia Ralte under the category of Education & Reference and subcategory of Books. The app helps users to learn the Hmar language, which is spoken by the Hmar tribe in the northeastern part of India. SA HLA BU is published by The Salvation Army, India Eastern Territory, and is available for download on the Google Play Store.

The app provides users with a comprehensive guide to learn the Hmar language. It includes the Hmar alphabet, pronunciation guide, and essential phrases for everyday use. The app also features a quiz section to help users test their knowledge and progress. SA HLA BU is an excellent resource for anyone interested in learning the Hmar language and wants to understand the culture and traditions of the Hmar tribe.