The title of this post is not my invention, the developer of MCE – Multi Crew Experience is advertising with that question on the products website. The reason for this post however is that the product was updated to Version 2.1. Unfortunately the developer does not tell anyone what is new in this version, so it is up to you to try it out via the demo available on their website.
“MCE is a speech recognition based add-on that allows the flight simulator enthusiast to fly the heavies in a simulated multi crew environment. Issue commands to co-pilot, go through the checklist, etc…”