And off topic but what about connecting a mouse to this thing?

And what about compiling apps on it!?

What about running OpenGL on non emulated linux on this?

I know the GPU is being worked on but do the old OpenGL parts work allready or is that part of the reverse engineering?

I wish you could change batteries yourself... hopefully they have moved towards that: 3/10 on the old one: https://www.ifixit.com/Teardown/iPad+Pro+11-Inch+Teardown/11...