While the standalone app has been largely phased out, you can still buy movies from Google through its successor platforms: the Google TV app and YouTube. Where to Buy Movies
: Movies purchased via Google TV can typically be shared with up to five members using the Google Play Family Library. Note that movies purchased directly on YouTube may not appear in the Family Library. how do i buy a movie on google play
If you have a promo code, enter it before clicking the final "Buy" button. While the standalone app has been largely phased