This App don’t support download music video on youtube.
No need to download songs anymore: You can watch and listen to millions Music and Video.
Note: playing music when the screen is off or on the lock screen is not allowed by YouTube terms of use.
In addition
☆ Enjoy free music with Video Tube.
• Search and listen to millions of free songs on YouTube
• Always on top floating player for multitasking. You can change its size and position.
• Songs playlists quick search with suggestions

☆ Music player
• Shuffle Repeat Next Back ... modes
• Sleep timer resize small player


☆ PLEASE NOTE
Stream is a third party music streaming player app not a downloader.
All the content is provided by YouTube services.
"Please use the following link to report any content that may infrige copyrights: https://www.youtube.com/yt/copyright/
Stream is not a App downloader."
An internet connection is required (wifi or cellular data).
According to YouTube's Terms of Use we are not allowed to display videos when in lockscreen nor to let you download songs.