Abstract: A computer processor of the mobile device may transmit a request to a server for other mobile devices present on one or more of the plurality of courts. The request may include a location of the mobile device. The computer processor may receive from the server on a display of the mobile device a graphical representation of a plurality of courts used in a court game that are within a predetermined radius of the location of the mobile device. The computer processor may receive from the server a listing of locations of one or more other mobile devices present on one or more of the plurality of courts. The listing may include one or more mobile devices having active user accounts associated with the court game. The computer processor may plot pins on the one or more of the plurality of courts on the display of the mobile device, the pins indicating the locations of the one or more mobile devices.