The Gallery View
AngularJS's ng-repeat is to layout the thumbnails in two columns. The filter section on the left makes asyncronous requests to Flickr to get the gallery listings and the filter is dynamiallly generated on page load with the full list of galleries currently on the authenticated Flickr account. In the centre you can see the gallery description which is also coming through the Flickr API.
Because the data is saved locally moving between the galleries is instant, and because AJAX is used the page itself never refreshes, giving the user a smooth fluid app-like experience.