Location of Xamarin iOS and Android targets files on Mac
Not that you would need this information every day, but when you need it you will have hard time finding it.
So let’s keep it at hand. Locations of the files are below
Xamarin.iOS.Common.targets
/Library/Frameworks/Xamarin.iOS.framework/Versions/Current/lib/mono/2.1/Xamarin.iOS.Common.targets
Xamarin.Android.Common.targets
/Library/Frameworks/Xamarin.Android.framework/Versions/Current/lib/xbuild/Xamarin/Android/Xamarin.Android.Common.targets