There is provided a mobile device including: a first communication unit configured to perform contactless communication; a second communication unit configured to perform wireless communication with an external device; a designation control unit configured to make a user designate an own device or the external device as an entity using specific information that is received from outside via contactless communication by the first communication unit; a first specific process unit configured to execute a specific process to use the specific information when the user designates the own device as the entity using the specific information; and a transmitting control unit configured to make the second communication unit transmit the specific information received by the first communication unit to the external device, when the user designates the external device as the entity using the specific information.