There are a few ways to disable touch screen while watching youtube on android. One way is to use a third party application like ADB or Fastboot. Another way is to use a custom ROM or kernel. The third way is the easiest and most reliable way to disable touch screen while watching youtube on android. To disable touch screen while watching youtube on android, you can use the following steps:

  1. Open the Settings app and go to “Touchscreen” tab.
  2. Under “Touchscreen settings”, you can find “Disable touch screen” option.
  3. Toggle the “Disable touch screen” option and then close the Settings app.