A portable device controlling playback of video data on a first device external to the portable device and including a browser module operative to present a display of a plurality of images, each image corresponding to a section of the video data, and to highlight an image corresponding to the section of the video data currently played back by the first device, a communication module coupled to the browser module and operative, in response to a selection of an image among the plurality of images by a user, to transmit a first command to the first device to play back the video data corresponding to the image selected by the user, wherein the browser module is further operative to adapt highlighting of the plurality of images in response to a second command received from said first device upon a change of the section of video data currently played back on the first device.