Existing capabilities for Icon emphasis has glow, rotate, light/regular, dua-color or change colors, and even changing icon itself.
Add the following additional alongside Rotate
- Jiggle - the rocking left to right 5-10 degrees motion continuously
- Vibrate - this is a high speed sideways 5 pixels left and right, a big pause and then repeats
- Pulse - this is a size grow by 10% and then shrink back to normal at twice the growth rate repeatedly