In the Mobile Game Design and Mobile App Design categories of the NFTE World Series of Innovation students are asked to design an app or a game for a mobile device such as an Windows Phone. But what do an “app” mean in that context?  The meaning of words changes over time. I hear that the word “awful” used to mean the same thing as “awesome” but over time awful was used so often in a sarcastic way that the meaning changed. Seems plausible – true or not. A word today that seems to also be changing meaning is “app.” In general it is a short form of the word “application” as you can see in this more