Below are the supported devices that wok with the sling app: Hulu brings all your tv together in one place. Pandora Launches Google Glass App radio How to add an app to your vizio smart tv. Can you add sling app to vizio smart tv . Sling tv is compatible with amazon fire tv, apple tv, google chromecast, roku, iphone/ipad, web browsers, android phone/tablet, android tv, xbox, samsung smart tv, lg smart tv, and vizio smart tv. First you'll need either the sling orange or sling blue plan. The app is compatible with vizio smartcast tvs, but not with older vizio via and via+ tvs. To access applications on your smartcast tv, press the input button and choose the 'smartcast' input. Vizio does not support sling and there is also not a way to add the sing app to the tv. We'll roll out to additional models in the future. Newsmax is included in each. (you most likely have one of these devices already) Can i watch disney+ on my vizio smart tv? Once...