Amazon’s free app of the day is Monument Valley. This app is usually $4, but today you can download it for free! This award winning app has many positive reviews from people who have played it. In this game, you manipulate and alter beautiful architecture and geometric shapes as you guide Ida, a princess, through monuments. One reviewer described this app as being “like a piece of art turned into a game.” Don’t delay, download Monument Valley today while it is free!