"Three Trees" was created by the independent game developer Studio Pepwuper. It is set to be available from early April 2011 on Apple iTunes App Store for $0.99. As our App of the Day, all our regular readers know the trailer for this app will feature on every page of our site for a whole day. Just scroll to the bottom of this page to take a look.   "Three Trees" started as a prototype named "Water, Air, Sun", developed in 11 hours in the 360iDev GameJam http://gamejam.360idev.com/water-air-sun/. The theme of the GameJam was "Change the World", so developer Brandon Wu created a prototype where players need to balance the…