A:AnswerWhile you can ask the built-in voice assistant to open the app of your choosing, the in-app voice support will vastly depend on each specific streaming app's permissions.
~ Samsung Specialist
A:AnswerKenster27 - When connecting, please make sure you enable Anynet+ (HDMI-CEC) on your TV, as this will auto power on external devices that are connected to your TV with HDMI.
~ Samsung Specialist
A:AnswerCourios - Both apps you've mentioned are available on this model, which also features a built-in App Store that allows you to choose and download from hundreds of available apps.
~ Samsung Specialist