Task: I really liked the Michigan Trails vlog. I want to make a playlist called Nearby Trails so I can save related YouTube videos there. 
Steps:
Minimize the current playing video
Swipe left to view New playlist option
Swipe left to view New playlist option
Swipe left to view New playlist option
Swipe left to view New playlist option
Click on the New Playlist icon
Select the first video to add in playlist
Click on the Next option at the top right corner of the screen
Click on the Title bar of the new playlist
Add Title as Nearby Trails
Click on the Create option