What does the YouTube app do?

Related questions

1. What is YouTube used for?
2. How much do YouTubers make per 100 000 views?
3. How do I hide my activity on YouTube?
4. Can I hide my YouTube channel?
5. Can others see my Google searches?
6. Does YouTube lose Google money?
7. How much money does a YouTuber make?
8. Can others see what I watch on YouTube?
9. Can YouTube friends see your comments?
10. How did Google get YouTube?

Tags

1. #combinations
2. #month
3. #youtube
4. #premium
5. #gives
6. #optional
7. #subscription
8. #opens
9. #allows
10. #google
11. #removes
12. #video
13. #anywhere
14. #available
15. #content
16. #music
17. #originals
18. #advertising
19. #streaming
20. #background