Howdy Doaxan,
Thank you for posting about this issue here. At this time, we do not support the Intel BayTrail platform or if we will ever. It is hard to say if we will or will not as we are always looking to better the platform side of the engine. If we do end up supporting the Baytrail, it will probably not be for a while to be honest.
I am unsure if you have or have not seen our Android Device Compatibility sheet on our wiki. This is a list of all the devices that have been tested in UE4 and what to expect from those devices when a project is deployed to them.
Please let me know if you have any additional questions regarding this issue.
Thanks and have a great day!