The Amazon Fire TV and Fire TV Stick will soon get voice control functionality, thanks to Alexa integration in an upcoming update. After the update, users will be able to search for content across multiple apps and service providers by using their voice. If you search for a particular movie or TV show and if it is available on multiple apps, you will be shown all the available options. Apps will also be able to show you recommended content on the homepage of your Fire TV or Fire TV Stick. You will also be able to use Alexa to control playback. You can say "skip ahead 2...
Source: http://www.gsmarena.com/amazon_adds_alexa_voice_search_to_fire_tv_and_fire_tv_stick-news-20386.php