I just tried out the Skeletal beta and came across some interesting things with the hand sphere. I do not know if this is just a graphical glitch in the visualiser or if it is a tracking issue. Here are some screenshots:
It seems that the sphere center is recognised wrongly. As I tilted my hand the sphere kept moving from underneath my hand to above it.
Thanks for reporting this.
I've reported an internal bug.
This was the case with V1 also, and after being told how it was calculated, I assumed it was their intention, albeit not one I thought was effective for what it seemed to represent: