How to create your own QR code
If you wanted your own QR code to navigate you to a certain url of a website, you could use this site: http://www.qrstuff.com/
Enter your desired URL, create a QR code out of it and place it on the viewer. You will be responsible for this type of QR code as we have no authority over external additions / websites so, please test this carefully.
Please note that the QR code needs to stay black on white, otherwise there might be some issues with QR code while scanning
How to create your own Viewer Profile
Viewer profiles ensure Cardboard users experience seamless interaction between their viewer and Cardboard-enabled apps. Using a QR code, the smartphone scans the viewer’s specifications and optimizes Cardboard-compatible VR apps for that particular viewer.
Please note that the parameters below apply only to the official Google Cardboard inspired viewers. If your viewer is using a different type of lenses or a different enclosure, please generate a new viewer profile as described in this section.
Viewer profile generation tool Google’s online viewer profile generation tool is a simple and convenient way to create your viewer’s QR code and to make sure that all Cardboard apps and experiences work well with your viewer.
Get step-by-step instructions for creating your viewer profile.