GreatTube is a very cool app that lets you watch video in floating windows.

There are some feature in GreatTube:
Floating Tube Video Player.
Discover newest and hot videos by genres you love.
Turn on/off captions in Video player.
Moveable Tube Floating Video Player.
Resizable Tube Floating Video Player.
Support to change video quality playback speed in Video player.
Free of cost to use all feature.
Recommend your favorite videos based on playback history
Well design to optimize your viewing experience
And so many enhanced features for watching online videos.

Appear on top other apps: This permission allows GreatTube to show the pop-up player on top of other apps you're using.

To resize player use 2 finger and pitch to zoom.

Thanks for downloading GreatTube - Advance Floating Popup Video YouTube Player