Android TV has a serious app discovery problem, and it's the built-in "leanback" version of the Google Play Store. Before today, the Play Store on your TV only showed curated apps selected by the powers that be at Google, so between the video, audio, and game sections, there were less than two hundred apps on display for users. You might get the impression that these were the only Android TV apps available - the rest had to be manually searched for in the search function of the main leanback launcher.
With version 5.5.15, that finally changes. New sections of the Android TV Google Play Store are now visible beneath the curated portion, and based on a quick run-through, it looks like every compatible app for your ATV device is exposed.Read More