On a Firestick you can simply use SilkBrowser found in the Amazon Store. (search for SilkBrowser download and install it and open up the following URL: https://www.arconaitv.us/
On Android Boxes you can use Chrome Browser available in the Playstore.
It has the following channels: A&E, ABC, AMC, Aimal Planet, Bravo TV, CBS, CNBC, Comedy Central, ESPN, Fox Fox News and so much more. Full channel lineup below.