Here is dialog from my chat with Amazon:

You are now connected to *******from Amazon.com


Me: Hello, Will you have Ultraflix on the new Amazon 4K tv box?

This is a 4K streaming service


*******: Hello *****, my name is *******.

Ultraflix is streaming network


Me: It is similar to Netfliox

*Netflix


******: Currently there is no app available for the Ultraflix.

I'll forward your comments to our team so that they will make the app available so that you can stream 4K videos through Ultraflix.

Me: Great, thank you.

******: My pleasure

And thanks for taking your time and providing the information.

Customer feedback like yours is important to us in improving our digital services.