receiving downstream data including a first video stream and first content information, the first video stream being transmitted from a first device, the first content information describing multiple graphical objects including a real-time object and a non real-time object;

receiving first interaction information indicating a first user interaction feedback to one of the graphical objects at the first device;

generating a first content texture including the graphical objects, an appearance of the graphical objects being determined using the first content information and the first user interaction feedback being included in the first interaction information, wherein the appearance of the real-time object is determined using the first user interaction feedback;

generating a video frame including the first content texture and a second content texture, the second content texture being generated from the first video stream;

displaying the video frame at the first device and a second device;

receiving a second user interaction feedback to the video frame at the second device; and

transmitting second interaction information indicating the second user interaction feedback.