Method for user input from alternative touchpads of a computerized system

A method for displaying a virtual image of at least a portion of a hand of a user on a display screen of a computerized system, the method comprising:

• obtaining data from a touchpad, the data being associated with the location and movement of a finger and/or hand of the user and not associated with an image of the finger of the user from an image sensor, when the user operates the computerized system using the touchpad;
• communicating the data from the touchpad to the computerized device, the touchpad being located in a location that is different from the location of the display screen;
• analyzing the data in accordance with a model of a human hand with at least one of adjustable hand size or orientation parameters, and assigning the data to at least one of a plurality of fingers of the model;
• computing a graphical representation of at least one finger of the user in accordance with the model;
• and displaying the graphical representation on the display screen.