Please Note: Due to an upgrade in security measures with Song Select we have added a new update that must be manually downloaded and installed. 
Please see this tutorial: Sharefaith Presenter: Installing and Troubleshooting: Manual Update to 3.0.0

These buttons allow you to do as follows;

Group Video Button allows you to Group slides onto a Video Background so that you can do text over video.

Ungroup Video Button allows you to separate the slides in the grouped video back out so that you can add/remove slides and add, remove, or fix the text.