No idea, but it may be worth looking at this post and related comments: Update from the CEO: Part 1
The fastest path to using the Mark 2 for something else would probably be to use ovos-installer with a Raspberry Pi OS server image, then simply remove the OVOS parts. That gives you the Pi optimization and drivers for the SJ-201 board that handles sound and the display. At that point you have a fairly basic Linux server that you can use how you see fit.