Problem with Google Cardboard Magnet Function!? We got the solution !!! - I AM Cardboard Team : r/GoogleCardboard
How does the magnet select button for Android Cardboard work, and how does the required magnet interface with the touch screen of the phone? - Quora
File:Google Cardboard - After ripping open, reverse.JPG - Wikimedia Commons
How to use Google Cardboard - Android Authority
DIY: Build your own Google Cardboard VR viewer | Computerworld
cawood's blog - geek literature: I AM CARDBOARD VR Url Not Recognized Setup Error
Virtual reality - Google Cardboard
DIY Magnet Google Cardboard 3D VR Glasses Virtual Reality Not Include NFC for iPhone 6 Plus Smartphone High quality|magnet mount|magnet arcnfc reader - AliExpress
Google Cardboard: everything you need to know | TechRadar