Found this on Telstra's My Offers.
Exclusive to Telstra, get up close and personal with your favourite sports with 2 months of Basic Kayo for just $5. Streaming over 50 sports live and on demand, Kayo brings you the best Aussie and International sports including Aussie Rules, Rugby League, Motorsports, Basketball, and Rugby.
Monthly subscription, from $25/mth after offer period.
FYI the Android TV app is out now. Much better than Chromecasting.
Even if your device isn't officially supported, you can sideload the app.
I'm using the Nvidia Shield app on my Vodafone TV. There's plenty about it on Whirlpool.