Not many apps work with Android TV. I got my brother the Google Android TV box, from Walmart, and he found out that he cannot install many TV streaming apps on it: no Hulu Live TV (only pre-recorded), np DirecTV Now, no VUDU....Sling & Youtube TV work.
Apps for Android TV from Google Play: https://play.google.com/store/apps/collection/promotion_3000e26_androidtv_apps_all?hl=en
Apps for Android TV from Google Play: https://play.google.com/store/apps/collection/promotion_3000e26_androidtv_apps_all?hl=en