GameKit: in search of an open system

On iOS GameKit provides a way for users to connect to each other, establishing peer-to-peer sharing and network data. Despite the name GameKit has been used for other applications that had nothing to do with the game, including details of contracts, sharing of multimedia content, and so on. It is surprising, however, to see how Apple did not introduce something like this for Mac (and Windows) so that they can participate in the game, and the same goes for Android and BlackBerry, which can use the development framework of GameKit...more