Is Channel4 available on Roku
Is the channel 4 app available on Roku?
Forum Discussion
Given that your user name is "Canada" Lou, I'm going to say, no. It's available in the UK. Some apps are only available in certain regions.
https://channelstore.roku.com/en-gb/details/6c1de7956e0cae18c199bd8769153347/channel-4
