Currently (as far as I know) there is now "good" selftuning solution for Fiesta ST with non american ECU(AU, UK, EU).
This ECU is different from the american ECU(MAF based), and may be more complicated to tune as I read.
There may be other ecoboost cars(2013-) on the market that uses this ECU.
I think I speak for many when I say it would be great if HP tuners add support for this ECU.
(I have a big turbo modified 2013 fiesta and would help in any way i can)
I know COBB(and maybe SCT) supports the american ecu's, but for some reason won't support others.