Update (11/23/2012): Apparently this app has been taken off the iTunes store due to copyright issues.
What It Is: An interactive app version of the story of the same name by Watty Piper. This review is specifically of the app sold by XIMAD (there are several other version available on iTunes). Also, for Windows phone users, there apparently is a Windows version.
What It Is: A collection of interactive stories (and a memory game) by Ruta Ett based on a TV show. Each story is about a different vehicle (police car, seaplane, digger, etc.) and its jobs and daily activities.