Not so fast, it's not as difficult as it sounds. That is actually part of my plan and it should be quite feasible thanks to the excellent work of Stskeeps and co. I've had very little free time lately to spend on the project so I haven't even begun to look at the innards of libhybris although it is on my long to-do list.

On a related note, I'd be very grateful if someone can point me in the direction of libhybris documentation (I couldn't find it on GitHub, nor could I find it on the Mer wiki).