Thank you for playing and your motivating comment !
Yeah I have to rework the parameters of the force making the dice roll, so that even a very little force is still enough to make the dice rotate and change value.
But you have to consider the positionning of the mouse, relatively to the dice. If the mouse positionning is equal or close to the dice level, the force will only make the dice translate on 1 x axis. I am trying to implement a kind of physical wave generated at the mouse positionning.
Very good idea the confirm button for mobile dev thank you !