C
Hope this isn't a repost but it's pretty good.
http://ca.youtube.com/watch?v=MLejkyXbJlc
http://ca.youtube.com/watch?v=MLejkyXbJlc
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: this_feature_currently_may_not_be_available_in_some_browsers