Advent Calendar is a mobile application developed by Game Favorites for Android devices. This free app is a fun and interactive way to countdown to Christmas. The app offers a virtual Advent calendar with 24 numbered boxes that can be rubbed off to reveal a Christmas-themed image. The app also features stars and Christmas decorations that can be rubbed off in addition to the numbered boxes.

One of the best features of Advent Calendar is the reset button, which allows users to use the app for next year's countdown. The app is easy to use and provides a fun way to engage in the Christmas spirit. Overall, Advent Calendar is a great addition to any Christmas enthusiast's collection of holiday apps.