A computer-readable recording device may store a computer program including instructions for causing a computer of a mobile device to operate as: (1) a selecting module that selects, based on first information, second information and third information, a particular device being substantially located in a specific direction indicated by the third information from a plurality of candidate devices on a wireless network, and (2) a controlling module that controls a communication unit that is configured to communicate using the wireless network such that the communication unit communicates with the particular device selected by the selecting module.