How to control which build is executed in each device?

Hi,



Playing with an universal app, I have seen that it will load the proper build depending on the used device. E.g: it will use the build using classic toolkit in Chrome, and it will use the build using modern toolkit in iOS.



Is it possible to control that decision? I am little bit confused about this. For example, what about if you want your desktop (classic) build be loaded for iPad, but use modern for iPhone.



I have read about runtime configurations here and they are handy, but they can be used once a build is loaded. How can we control which build is loaded where?



Thanks



Regards

How to control which build is executed in each device?