I have seen it before and have no idea what it does. I do know what it tells me, and that is that Sony has a super inflated Ego.
Awesonium is one of the many pieces which goes to make the overall DC Universe Online game client. In the case of Awesonium, it is a web user interface building tool which bridges the User interface navigation set to the actual in-game client and game engine. Basically, it is what makes the menus in the game look and work the way they do.
