When I used to have a Windows Mobile phone (the old kind, before "Windows Phone"), I had an app on the phone, likely obtained from this site, in which one could add more functions to hardware buttons with long presses, double and triple tap (perhaps quadruple too, don't remember), etc.
Android phones don't have as many hardware buttons as the old WM PDAs and phones, but do have some. Mine has a hardware home button, power button, and volume rocker up and down. Also the two fixed soft buttons on either side of the Home hardware button.
Mine already has some additional button functions built in. For instance, long press the home button to get Google Now.
I actually do not want to change any of the current functions, but to add more functions. to hardware buttons, and even those two soft buttons.
Is there an Android app that will do that?
Thanks in advance.