Movies & TV app get Fluent Design on Windows 10 Mobile. The latest update for the Movies & TV app adds in-app acrylic to the hamburger menu, which essentially means it has a blurred background as you can see in the screenshot above.
This is obviously just an element of the Fluent Design system, as Microsoft plans on bringing it to other parts of the first-party apps in Windows 10. The Movies & TV app on PCs also has the similar acrylic — but it uses background acrylic rather than the in-app acrylic shown in the screenshot:
Developer: Microsoft Corporation