Reset a fader to default state (zero unity) in UC Surface (iPad)

I leaed in this forum that you can Command/Ctrl click a fader in Universal Control in order to reset it to its default state (unity).

Is there an equivalent to this in the UC Surface iPad version ?

If not, an option to double click the fader for unity reset would be great. Center Paing as well. I realize this functionality should be disabled by default to avoid accidental clicks (especially in a live environment!). Maybe even use a "triple click" if such a thing exists?