This might be cool if Amazon would bother to put in Chromecast support, no one is stopping them. Hulu, Netflix, CBS, HBO, and many other streaming vendors have managed to do it. Without that they are nowhere near worth paying for.
I totally agree. Lack of Chromecast support is very annoying. I ended up buying a Firestick when it was on sale, and have both my Chromecast and Firestick plugged into my HDMI switcher. That way I can control both with my phone. One more step but it makes the best of a bad situation.