Google is reportedly removing the Android TV remote app from the Google Play store following the arrival of the Google TV app remote. The Android TV remote app is visible in the Google Play store only for those users who had previously downloaded it. The Google TV remote app was announced on September 23.

source https://gadgets.ndtv.com/apps/news/google-android-tv-remote-app-play-store-launch-report-2556211#rss-gadgets-all