https://www.theverge.com/2017/8/15/16154092/walmart-video-streaming-vudu-app-apple-tv

Walmart has confirmed a native app for Vudu, its video streaming service, is set to become widely available on Apple TV beginning August 22nd.

The creation and integration of an app had been discussed since March, when a Vudu engineer confirmed it was “in development” on the official Vudu forums. Currently, Vudu users have to use AirPlay from an iPhone or iPad to watch movies and shows on Apple’s set-top box