This key can turn it any TV connected TV at low cost. It allows to end up with a multimedia management quality of all emptied or music. A real media center. It is of course a control interface: I added a mini keyboard without suitable wire that is immediately recognized. Access to Market is also handy for me the games by plugging in a joystick! Finally careful to use the charger supplied with the cable: I added a USB extension cable and then the key reboutait without stopping because I think a lack of food.