Good news for users of Ricoh Theta and Theta S 360-degree cameras: the corresponding apps now support the use of ‘head-mounted displays’ for viewing your images and videos in their full 360-degree glory. This of course includes Google’s budget Cardboard viewer.
When viewing images or video in the app you can now choose between standard screen or two different virtual reality modes, single or double lens, the latter of which will work with Google cardboard. Until now, Theta users had to upload their content to a compatible service in order to view them using Cardboard. Now, thankfully this additional step is no longer necessary. The Ricoh Theta and Ricoh Theta S app can be downloaded from the Google Play Store.
Articles: Digital Photography Review (dpreview.com)