What is the The Book of Mormon application, how does it work?

According to the introduction of The Church of Jesus Christ of Latter-day Saints, The Book of Mormon is a Books & Reference app on the Android platform. There is currently a 1.6.0 (16005.2) version released on Sep 27, 2018, you can see the details below.

Another Testament of Jesus Christ. The Book of Mormon is the word of God, like the Bible. Both books contain God's guidance as revealed to prophets, as well as religious histories of different civilizations. While the Bible is written by and about the people in the land of Israel and surrounding areas and takes place from the creation of the world until shortly after the death of Jesus Christ, the Book of Mormon contains the history of God's dealings with the people who lived in the Americas between approximately 600 BC and 400 AD. The Book of Mormon is another testament of Jesus Christ.

• Includes translations for most major world languages
• Includes audio recordings in English, Japanese, Korean, Portuguese, and Spanish
• Includes search capability and simple navigation, including swiping gestures to navigate between chapters
• Includes links to learn more about the Book of Mormon