This is an iOS shortcut I built to allow voice control via Siri for my Roku TV, as I couldn't find a solution out there that really worked well. Unfortunately as there is no source code to post, I will just be posting a link as well as images of the workflow to show the build without you having to open it on an iOS device.
- (power) On
- (power) Off
- Pause
- Play
- Launch (app)
https://www.icloud.com/shortcuts/0f16efb0914347389a281912a3415f16