Yes. To achieve this, kindly follow below mentioned steps:
1. Select "Grid View" screen for home under "Branding" tab.
2. Add 2D image by clicking "Click to Add Thumbnail Image for Grid View" under Template Specific Options >> Thumbnail Image for Grid View (this option can be found in the right pane of the authoring/preview screen).
InstaVR - Make VR apps in minutes! Grow Your Business Using Virtual Reality