In one embodiment, an apparatus provided for: displaying, via a touch screen, at least a portion of an interface in a first virtual display layer; detecting a gesture being applied to the touch screen; when a distance of the gesture being detected on the touch screen is less than a distance threshold, performing an operation; when the distance of the gesture being detected on the touch screen is greater than the distance threshold, performing a blur operation, and displaying the at least portion of the interface and at least a portion of another interface in different virtual display layers; and when the distance of the gesture being detected on the touch screen is greater than the distance threshold, outputting feedback that is perceptible by touch.