Just want to be clear about one thing. You said...
... The Roku is plugged into the Smart Bar so it appears in our Streaming/Channel options along the bottom of the Home screen.
The Wondrium channel icon appears and we can select it. ...
Just verifying you mean that the Wondrium Channel icon is on the Roku menu after you move your input to the HDMI to which the Roku is connected. Is that correct? Or does the Wondrium Channel icon show directly on the Samsung menu?
Apart from that, the Roku 2 model 2720 is an ancient device, and not supported by some apps. Amazon is dropping support for that device in November, for instance. Some others already don't support it. The fact that it is installed on the Roku 2 (2720) means they do support that device, but quite frankly, plan on replacing that device in the near future. It was introduced in 2013 (8 years ago this month) and discontinued in 2015 (over 6 years ago). Maybe not what you want to hear, but I'm give you the facts. Use it while you can, but be prepared to replace it.
Roku Community Streaming Expert
Note: I am not a Roku employee.
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