I can’t do much since I don’t have the paid version, and I will only buy it if it can do what I need to do, otherwise I wouldn’t be able to play properly…
There must be a way. It’s a “while it’s pressed” action, and it takes the reference point from the spot where first started pressing. More gameplay here:
As you see it plays really well.
You can see the grid of the buttons here and where he is placing the fingers: