LeanTween is an efficient tweening engine for the Unity 3d engine
Documentation can be found here: http://dentedpixel.com/LeanTweenDocumentation/classes/LeanTween.html
Examples: There are many examples included! Look in the “LeanTween/LeanTweenExamples" folder to see many of the methods outlined. Make sure to unzip the 4.6_Examples.zip for new UI Examples.