This is a demo app for iOS (designed for iPhone) to display side by side 3D graphics for such devices as OpenDive http://www.durovis.com/opendive.html
It also has support for the Duo Gamer GameController
Thanks to https://github.com/mringwal/DuoGamerSDK for Duo Gamer SDK
https://github.com/sphereinabox/iPadRiftPrototype For the init OpenGl iOS split screen view for iPad