Download scan QR Code as shown in picture A, or get more info from infor VR Content App Section to download VR app. After you download and install suggested VR app, start a VR video and turn into mode by click the mode -switch button. Gently open the adsorption type switch at the top. if you find the picture is inside down, please adjusting the direction of mobile phone.PD ADJUSTMENT : Adjust the PD OF Lens. For the best clarity , you can adjust the lens focal length from left and right. playing 3D games also can be controlled through the body sensuous .