An in-vehicle apparatus comprising: a display unit; a communication unit configured to: transmit, to a terminal device, first information relating to a first application installed on the in-vehicle apparatus, and receive, from the terminal device, shared information including the first information and second information relating to a second application installed on the terminal device, the first application being different from the second application, the shared information including a first icon corresponding to the first application, and a second icon corresponding to the second application; and a control unit configured to: control the display unit to display the first and second icons; and receive an input signal in response to a user input for selecting at least one of the first and second icons displayed on the display unit; characterized in that the control unit is configured to, in response to operation information received from the terminal device, control the display unit to display simultaneously the first icon corresponding to the first application installed on the in-vehicle apparatus and the second icon corresponding to the second application installed on the terminal device, such that the first and second icons coexist on the display unit. a display unit; a communication unit configured to: transmit, to a terminal device, first information relating to a first application installed on the in-vehicle apparatus, and receive, from the terminal device, shared information including the first information and second information relating to a second application installed on the terminal device, the first application being different from the second application, the shared information including a first icon corresponding to the first application, and a second icon corresponding to the second application; and transmit, to a terminal device, first information relating to a first application installed on the in-vehicle apparatus, and receive, from the terminal device, shared information including the first information and second information relating to a second application installed on the terminal device, the first application being different from the second application, the shared information including a first icon corresponding to the first application, and a second icon corresponding to the second application; and a control unit configured to: control the display unit to display the first and second icons; and receive an input signal in response to a user input for selecting at least one of the first and second icons displayed on the display unit; control the display unit to display the first and second icons; and receive an input signal in response to a user input for selecting at least one of the first and second icons displayed on the display unit; characterized in that the control unit is configured to, in response to operation information received from the terminal device, control the display unit to display simultaneously the first icon corresponding to the first application installed on the in-vehicle apparatus and the second icon corresponding to the second application installed on the terminal device, such that the first and second icons coexist on the display unit.