Hi,
nice work. Keep it up!
I thought of using CM 13 as an alternative.
There seems to some kind of sources at least for the kernel available.
http://forum.xda-developers.com/leeco-le1-pro/development/cm12-1-source-code-leeco-le-1-pro-s0be-t3352441
Also since the X800 is based on the MSM8994...