A method for a virtual keyboard is provided. A touch panel is controlled to detect multiple finger touch points. In response to the finger touch points, a display panel is controlled to display the virtual keyboard, wherein shape and size of the virtual keyboard are determined according to at least coordinates and touch areas of the finger touch points. A haptic/tactile actuator is controlled to generate haptic/tactile feedback to express a border around each key of the virtual keyboard. The haptic/tactile actuator is controlled to generate haptic/tactile feedback in response to a press upon a key of the virtual keyboard.