Androidpit: An official new ad for the Nexus 4, 7 and 10 made its web debut yesterday and has been praised for its imaginative imagery. Featuring computer animation that looks a bit like origami, the ad shows why the "Playground is Open" for owners of the new Nexus 4, 7 and 10. (Android, Gadgets, Google, Google Nexus 10, Google Nexus 7, LG Nexus 4, Phones)