HTC Sprint One M8 User Manual page 119

Tip: If you don't want to share the video playlist, select Private before you touch OK.
5. To add another video to your playlist, browse or search for the video, and then touch next to the
video title.
6. Touch Add to, and then touch the playlist name.
7. To access and watch your video playlists, touch the YouTube icon, and then touch Playlist.
Accounts and Messaging 106