Royal Dance
by Lewd Vision
Built in Unity, Royal Dance by Lewd Vision is an adult game that is completed. Expect monster girl, furry and parody with 2D art and animated scenes. The current build is Final (137 MB). Available for Windows, Mac, Linux and Android.
From the box: “Do you crave having princess Celestia displaying her slender body on your desktop or on your pocket device?”
Screens
1 screenshot from the game's own gallery.