Here are two links for you to use the Snappy Ubuntu Core on HiKey:1. http://forum.lemaker.org/forum.php?mod=viewthread&tid=23310&extra=page%3D12. https://developer.ubuntu.com/en/snappy/start/gadget-snaps/
And the source code for Ubuntu Core for HiKey is here:https://github.com/LeMaker-HiKey
Also Snappy Ubuntu Core is working on HiKey!!!
Yeah, what I am talking about is Snappy Ubuntu Core.