Mobile sales system and server device

A mobile sales system, comprising:

• a plurality of mobile robots on which items to be sold can be mounted;
• a server device connected to the plurality of mobile robots via a network connection;
• a terminal device to designate a customer call position for a mobile robot of the plurality of mobile robots, wherein
• the terminal device is configured to:
• transmit position information indicating the customer call position to the server device, and
• each mobile robot is configured to:
• acquire the position information transmitted by the terminal device to the server,
• move to a location corresponding to the acquired position information, and
• execute payment processing for an item removed from the mobile robot by a customer.

A server device for use in a mobile sales system comprising a mobile sales device on which items to be sold can be mounted and a terminal device configured to designate a customer call position, the server device comprising:

• a communication interface to connect to a terminal device and a mobile sales device;
• and
• a processor configured to:
• receive a selection indicating a mobile sales device and position information indicating the customer call position for the mobile sales device, and
• transmit the position information received from the terminal device to the selected mobile sales device.