A method for controlling a control region on a display screen of a computerized system is presented. The method includes obtaining data from a touchpad. The data is associated with a position of a portion of the hand of a user when the user operates the touchpad. The method includes transmitting the data from the touchpad to the computerized device and analyzing the data in accordance with a model of a human hand. In certain embodiments, the method includes identifying different sets of virtual keys to be associated with the different fingers of the user's hand and generating a control region comprising the sets of virtual keys. In some embodiments, the method may include displaying the control region in a position on the display screen in accordance with a position of one or more fingers of the user's hand on the touchpad.