Drag to change the object shape

Getting Started Newbie Questions
#1

How to change the object shape by using drag like the  contre jour’s land  ? 

contre jour game video link  -->   https://www.youtube.com/watch?v=RrZyDU1uRGI

#2

Try using sprite animations.

http://coronalabs.com/blog/2012/10/02/animated-sprites-and-methods/

#3

Try using sprite animations.

http://coronalabs.com/blog/2012/10/02/animated-sprites-and-methods/