Not entirely sure why the news would report that a device no longer supports an application.
This has been decommissioned since October.
So you can either try get a discount on a Now TV stick after speaking to Now TV directly. Or as a better option is go for a Amazon Fire stick as I personally find them more reliable than Now TV devices.
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Just click “chat online” within the green box
Or send an email to the address in the picture below
FYI that I do not work for NOW, just a NOW customer trying to help