Kudos to Fallon and his staff for keeping up with the news. While Microsoft has not officially announced that there will be a voice activated virtual assistant on Windows Phone 8.1, there have been enough leaks including a recent video that showed it in action. Will the Redmond based software giant decide to call it Cortana? That is also unknown although the Las Vegas bookmakers would probably bet on it.
You can check out this funny, albeit brief, mention of the fastest growing mobile OS in the world by clicking on the video below.
source: TonightShow via WMPCentral