https://www.amazon.com/dp/B015UKRNGS
They've put up the listing, but I don't think they've let anyone buy it yet.
After much frustration trying to do the same I caved in and bought a Chromecast dongle which works pretty good.
There might be better ones out now but this is the one I got:
https://www.amazon.com/dp/B015UKRNGS https://www.amazon.com/dp/B0157OY5EA
When searching within a category, you can include unavailable items like the Chromecast.
There are still many ways to do it, with a Chromecast you can cast it from your phone, or with a laptop and an HDMI cable, or an Xbox (probably PS4 soon), also on some smart TVs like Android TVs, LG TVs, Vizio, etc. And I'm sure this is only temporary.