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

* commit 'd39cd8a0ee784d200bd2f1d1b989a5e10bcfc258':
  Adds more descriptive intro/descriptions and better screenshots.

Change-Id: I03e5f160e47b5e92277524c81ef6a118a5d49c4c