Alexa, what can I watch on my Roku?

"Alexa, what to watch on Roku?" Streaming device Roku now has three ways to use voice control to get programming, the Google Assistant, Roku's own voice search and now Amazon Alexa. Roku makes the most popular brand of low-price streaming players to connect to TVs and bring in internet channels, and it also has a low-priced branded Roku TV from TCL that's among Amazon's best sellers in the category. Roku's chief rival is Amazon, which counts the Fire TV Stick streaming player is in its top best sellers category. The Fire TV Stick uses voice search from Alexa. More: What exactly is a'smart' device anyway?