As predicted, support for Android Lollipop is starting to collapse. The Netflix app on the Google Play store no longer works with the Hudl2. However, at the time of writing it is still possible to side load an official version of the Netflix app that Netflix themselves are supplying. I’ve tried the steps on this page and can confirm that it does work:
http://help.netflix.com/en/node/57688
However, all bets are off in terms of how long it will continue to do so…