Maintained feature-rich linux driver for NumberPad(2.0) on Asus laptops. NumberPad(2.0) is illuminated numeric keypad integrated to touchpad which appears when is done tap on top right corner of touchpad for atleast 1s by default (configurable) or slide gesture from top right/left corner to the center, the left shows calc app aswell (configurable).
I've tested it on Xorg and it seems to work