This looks sick. I imagine this might be for looking at your collections (skins and the like) and a more interactive way to choose games and story stuff (select VN chapters, queuing with your party).

maybe even a plaque for your rank. I believe you probably won't run around this like you would in a game but rather it'll be a 3D space you click around in with set camera angles. The various things like the arcade and safe would be thinks cycle between with an interface