Light Field Photosets are folders of images, with each image being taken slightly horizontally offset from the last. For HoloPlay Studio to import a photoset, photos must be alphabetically arranged from left-most view to right-most view.
To load this file into HoloPlay Studio:
Click on the "Add Hologram" button on the bottom of the application
Select "Light Field Photoset"
Browse to the folder on you computer
Focus changes which depth plane is in focus for the hologram
To pan and zoom, place your cursor in the Looking Glass Portrait window and scrollwheel to zoom, and click and drag to pan