YouTube
...Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube....
https://www.youtube.com/
YouTube ? Apps on Google Play
...Get the official YouTube app on Android phones and tablets. See what the world is watching -- from the hottest music videos to what?s popular in gaming, fashion, beauty, news, learning and more.......
https://play.google.com/store/apps/details?id=com.google.android.youtube&hl=en-GB&gl=GB