mozilla-b2g/gaia — pull request #3170 by crdlc (2012-08-05 17:26:08+00:00)
Title: [Homescreen] Home button and first page is landing page

According to UX requirements:

When you are on any page of the Homescreen (not Lock screen) if you press Home Button you go to Landing Page.

When the phone starts the homescreen should go to the landing as main page