What is the Fire TV Channels app, how do I get it and what does it offer?

Free, ad-supported streaming TV services – or FAST services as they’ve become known – are becoming exceptionally popular of late. Amazon offers its own free, ad-supported streaming service in the form of the Fire TV Channels app, which acts as a hub for free, one-stop content for those who own a Fire TV or a Fire TV streaming stick. The question is though, what are Fire TV Channels, how do you watch them and how do you get them? We’re here to help explain.