Once the app is opened, you will see several icons at the bottom of the screen including the second icon from the left labeled as Read.
Tap on Read.
Once you tap on Read, it will take you to the last Bible portion you read. You will also see a small option at the top of the screen next to the verse you are reading which shows the Bible version you are reading. Tap on that option to change the Bible version that you want to read.
Once you tap on the Bible version option, you will see other Bible versions on the screen. Tap on the particular Bible version you would like to read to change the Bible version in your Bible app.