Runtime in Frostbite supports a highly scalable model in order to appeal to the diverse array of platforms available on today’s market. Efficiency in both our runtime memory and runtime performance are both key factors to enabling code and data systems to deploy content to diverse targets from XBOX360 and PlayStation 4 to iOS and Android. Click to expand...

If you still think performance was the reason the engine wasn't ported to the Wii U, please tell me now so I can ignoring you whenever you mention anything about the system from now on. Yes I know it wouldn't make sense for the Wii U to get the mobile version but there's no reason an engine this scalable shouldn't be possible on the system for "technical" reasons