How to connect Alexa to your lights and turn them on and off with a single command

You can connect your Alexa device to smart lights in your house and set up context-aware lighting using the Alexa app.

How to connect Alexa to a Roku device, so you can control your Roku with voice commands

To connect Alexa to Roku, you'll need to use the Amazon Alexa app on your phone. Here's how to do it.
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The Only Alexa Command List You'll Ever Need: 200+ Voice Commands for Your Echo

With the new premium $35 Alexa Voice Remote Pro, you can say "Alexa, find my remote" into any Echo device you own (or the dedicated Remote Finder button in the Fire TV app) to play a sound from your ...