Blaze said something on a FB post about modifying or optimizing the Glover controls for digital. ETA this quote:
And yeah, trackball/spinner games are an exception. So call it maybe 10 games out of 500+ which would benefit...not really a big market there for a new controller. And in any case, that doesn't apply to the handhelds. I think Blaze has bigger fish to fry at this point than a new analog controller. However, there is some good news in their FAQ:
So, look forward to those new controllers in 2022!