A method performed by a first client device, wherein the first electronic device has been authorized by a server system to control a first media presentation system, the method comprising: in response to detecting a first user input requesting to indicate availability of a first media presentation system for use by one or more other client devices that are distinct from the first client device: transmitting, to a server system, a request to indicate availability of the first media presentation system for use by one or more other client devices to a server system; receiving, from the server system, a first authentication token for the first media system; in response to receiving a request for access to the first media presentation system from a second client device of the one or more other client devices and after detecting a second user input approving the received request from the second client device: transmitting, to the second client device, the first authentication token allowing the second client device to access the first media presentation system through submission to the server system of a media control request that includes the first authentication token; the method further comprising: in accordance with determining that a third client device of the one or more other client devices has indicated that a second media presentation system is available for use by the first client device: transmitting, to the third client device, a request for access to the second media presentation system; and in response thereto receiving a second authentication token from the third client device allowing the first client device to access the second media presentation system, and in response to detecting a third user input that corresponds to a media control request directed to the second media presentation system, transmitting the media control request, including the second authentication token, to the server system. in response to detecting a first user input requesting to indicate availability of a first media presentation system for use by one or more other client devices that are distinct from the first client device: transmitting, to a server system, a request to indicate availability of the first media presentation system for use by one or more other client devices to a server system; receiving, from the server system, a first authentication token for the first media system; transmitting, to a server system, a request to indicate availability of the first media presentation system for use by one or more other client devices to a server system; receiving, from the server system, a first authentication token for the first media system; in response to receiving a request for access to the first media presentation system from a second client device of the one or more other client devices and after detecting a second user input approving the received request from the second client device: transmitting, to the second client device, the first authentication token allowing the second client device to access the first media presentation system through submission to the server system of a media control request that includes the first authentication token; transmitting, to the second client device, the first authentication token allowing the second client device to access the first media presentation system through submission to the server system of a media control request that includes the first authentication token; in accordance with determining that a third client device of the one or more other client devices has indicated that a second media presentation system is available for use by the first client device: transmitting, to the third client device, a request for access to the second media presentation system; and in response thereto receiving a second authentication token from the third client device allowing the first client device to access the second media presentation system, and in response to detecting a third user input that corresponds to a media control request directed to the second media presentation system, transmitting the media control request, including the second authentication token, to the server system. transmitting, to the third client device, a request for access to the second media presentation system; and in response thereto receiving a second authentication token from the third client device allowing the first client device to access the second media presentation system, and in response to detecting a third user input that corresponds to a media control request directed to the second media presentation system, transmitting the media control request, including the second authentication token, to the server system.