http://www.techradar.com/news/roku-may-be-working-on-a-smart-speaker-of-its-own

When it comes to streaming devices, the three biggest names remain Amazon, Apple and Roku. But of those three, it's only Amazon and Apple that have truly established voice assistants working alongside their TV platforms – Roku have dabbled with voice controllers in their remotes, but it's not offering a true Siri or Alexa alternative.

That may all be about to change, if new job listings for the company uncovered by Variety are anything to go by.