I have been working to get solutions for syncing my Zoho contacts and appointments, as well as Discord, and with that done I want to try using UT on my Nexus5 again as a daily driver. However, being a tinkerer I find doing that on the phone painful and would like to get UT working on an x86 netbook that last had Ubuntu 14.04 installed. The support page says that they need a config file to support x86, but I can't find any documentation on how to create or submit one. Can somebody please point me in the right direction?

Also, I've seen several mentions that apps in the store do not support x86. Is that still true?