Adds more descriptive intro/descriptions and better screenshots. am: 13d3422289 am: a875fb6f4b am: d39cd8a0ee
am: fa8730d7a0

* commit 'fa8730d7a037af4b2631a0b473a58720745efb71':
  Adds more descriptive intro/descriptions and better screenshots.

Change-Id: Ic66d6e2add53e796ceea90c33993aea47586bbf5