Google Cardboard Bring virtual reality to life with Google Cardboard. Using your smartphone and VR apps, this quality viewer puts the world of VR right in your hands, affordably. Using your smartphone and VR apps, games, or videos, Google cardboard puts you into stunning environments that stretch out all around you. Cardboard supports most Android or iOS phones with screen sizes from 4 to 6 inches. It also has an interactive click button that works with all compatible phones. Cardboard assembles in three simple steps. It also Features custom-designed, high-quality lenses for immersive visuals and a partially laminated body for durability.