What are the various ways to skip a song on youtube on 3rd generation Apple TV using the iOS remote app or Apple Watch remote app

What are the various ways to skip a song on youtube on Apple TV using the iOS remote app or Apple Watch remote app? Currently, it seems like the easiest way to do this is to just fast forward till the end of the song. What are the gestures on iPhone to skip a song and how can I do this on my Apple Watch?