App Inventor Tutorial Refinement 2 - Centering
Channel: Kelly Lazzara
Date: 07/02/2012

Refinement for HelloPurr tutorial, available online at:
http://cs.usfca.edu/~wolber/appinventor/book2011/HelloPurr.pdf

Print version:
http://www.amazon.com/App-Inventor-Create-Your-Android/dp/1449397484