To enjoy 360-degree videos on your mobile device with or without Google Cardboard, follow these steps: * With Google Cardboard: 1 - Assemble your Google Cardboard. 2 - Open the YouTube app on your Android device. 3 - Tap the play button to start 360 video, tap the Cardboard icon to split the screen into two smaller screens. 4 - Insert your phone into the Cardboard. 5 - Begin exploring the immersive 360-degree experience by looking around. * Without Google Cardboard: Play VR videos on your smartphone and explore the 360-degree environment by moving your phone around or using touch gestures.