Since Roku is charting out all the unofficial channels from its channel list, it has removed Twitch from the list.
Conclusion
You probably can't wait to get lost in your favorite gaming world when you know all the methods to get Twitch on Roku. However, if you want to keep close to all your favorite tempting video gaming shows on Twitch on a different device, nothing would be more flexible than the offline viewing option with Stream Fab Twitch Downloader.