How to lock youtube screen on tablet

- How to lock screen on samsung tablet while watching youtube
- How to lock youtube screen on fire tablet
- How to lock youtube screen on samsung tablet
- How to lock youtube screen on lenovo tablet
- How to lock youtube screen on android tablet
- How to lock youtube kids screen on tablet
- How to lock screen on youtube amazon tablet
- How to lock screen while watching youtube on amazon fire tablet
- How to lock screen while watching youtube
- How to play youtube in lock screen