Using a Portable Device to Interface with a Video Game Rendered on a Main Display

A method for interfacing with a video game is provided, including: rendering display data on a main display, the display data defining a scene rendered by the video game, the display data being configured to include a visual cue; capturing the display data by an image capture device incorporated into a portable device; analyzing the captured display data to identify the visual cue; in response to identification of the visual cue, determining additional information that is in addition to the scene of the video game that is displayed on the main display, the additional information defining graphics or text to be added to the scene of the video game; presenting the additional information on a personal display incorporated into the portable device, the presentation of the additional information being synchronized to the rendering of the display data on the main display.