By modifying the gizmo you affect the object attached to it.
palm pilots, global positioning systems, radar detectors, digital camera widgets, generally anything small and electronic.
-yeah look it can tell you where the nearest cheese sandwich is down to 32.487m from anywhere in the world.
Try calling your Japanese friend a gizmo, and you'll see just how right it feels.
Watch any popular Japanese television show for excellent examples of Gizmos doing what they do best.