This is an app launcher designed for use with the Google Cardboard virtual reality headset. Home for Cardboard is intended to replace a regular app launcher when the user places their device inside a virtual reality viewer. Unlike a regular launcher, Home for Cardboard uses side by side 3D to display an interface that is useable while inside VR headset.
To unlock the pro features of this app, you may purchase http://play.google.com/store/apps/details?id=com.dudeofawesome.cardboardhomeunlocker
If no icons appear when you start Home for Cardboard, try restarting your phone.