An expanding universe of Virtual Reality experiences. Viewable with or without Cardboard. Fully immerse yourself in 3D VR or full screen 360 featured stories, with dynamically changing directional binaural sound. What's Google Cardboard? Cardboard is a low-cost, easy-to-get virtual reality viewer that transforms a phone into a basic VR headset. Learn more about Google Cardboard at g.co/cardboard. For use with Samsung GearVR please visit the Oculus Store.