Google TV Launcher APK is an application package file that allows users to install and use the Google TV Launcher on their Android devices. The Google TV Launcher is a user interface that provides a simplified and streamlined experience for accessing and navigating TV shows, movies, and other content on Android TV devices. By installing the APK, users can enjoy the same user interface and features of the Google TV Launcher on their Android smartphones or tablets, enhancing their TV viewing experience on these devices.