BlueMe is a mobile chat tool based on Bluetooth and WiFi. Through BlueMe, users can not only chat with nearby people, but also send file, share their installed program or game, even make voice call and play net game with them. The application scene of BlueMe can be short-distance space such as subway train, bus, classroom, cafe, KFC, McDonald’s, shopping mall, etc.??????????WiFi??????????????????????????????????????????????????????????????????????????????????????????????????