The present invention discloses a method for controlling in realtime fashion multimedia contents on a second screen at a TX side from a first screen at a RX side. The method comprising: detecting at least one touch signal via the first screen, and converting the at least one touch signal into touch data associated with a first position information defining a virtual operation on the first screen corresponding to an actual operation on the second screen, the first position information being with respect to a first coordinate system of the first screen; transmitting the touch data of the RX side to the TX side via the network communication, and calculating at the TX side a second position information with respect to a second coordinate system of the second screen based on the first position information; and performing the actual operation at the second screen based on the second position information.