It is. It's also unavoidable with anything that doesn't compile to dalvik bytecode because none of the UI is exposed natively. If you want to see at a high lev

It is. It's also unavoidable with anything that doesn't compile to dalvik bytecode because none of the UI is exposed natively. If you want to see at a high level the horror involved check out this documentation from Xamarin: http://developer.xamarin.com/guides/android/under_the_hood/architecture/ http://developer.xamarin.com/guides/android/under_the_hood/a... Still, it performs better than you'd expect.