Touch Controls Touch Controls provides VLC-style gesture-based brightness and volume controls for the YT app when playing videos in full screen mode. You can increase or decrease the volume by swiping your finger up or down on the right side of the screen. Swiping the finger on the left adjusts the screen brightness. Only the official YT and YT Go apps are supported. Go premium to enable: • Brightness controls • Tap action • Double tap action • Long press action • Volume control action