The Google Play Store is set to introduce a fixed "Install" button at the top of app pages in a forthcoming update, allowing users to download apps without scrolling through lengthy descriptions. This feature is indicated in the latest version of the Google Play Store, 43.1.19, and has been demonstrated by AssembleDebug. The fixed header will display the Install button along with app information such as the icon, name, developer, average rating, and ad status, and will include a dropdown menu for installations on other devices. The feature is not yet active but is expected to roll out soon.