Game system, game apparatus, storage medium storing game program and game data exchange method

摘要

A game system includes a plurality of mobile game apparatuses. Each mobile game apparatus can communicate with another game apparatus that exists within a communicable range by use of a radio communication unit. When two or more mobile game apparatus have established a mutual communication, each game apparatus communicates exchanging conditions for exchanging game data and where the exchange conditions are coincident, game data is exchanged.