Kotlin Native is already doing great.
If Flutter was in Kotlin, I'm willing to bet that it's adoption would be 100x of what it is right now. In addition, it gives devs a safe migration path from android to fuchsia.
Where is Kotlin Native doing great?
Right now I wouldn't consider it for anything serious.
EDIT: Regarding Fuchsia, I only mean user space apps. The other layers are a mix of Rust, Go and C++ (C leftovers seem to be being migrated to C++).
I don't believe that's strictly true. Different parts of Fuchsia use different technologies. Flutter is (as far as I remember) the only UI framework for Fuchsia right now, so UI on Fuchsia is written in it (which uses Dart).
If Google plays an Android/Android Things on Fuchsia there won't be much use of C++ for app developers.
If Google plays an Android/Android Things on Fuchsia there won't be much use of C++ for app developers.
Try flutter for yourself to see how this is a major improvement over Java or Kotlin. If Kotlin has hot swapping it would be a good candidate.
I do like Kotlin better than Dart, but Dart and kotlin look alike a lot. And to be honest, most code looks very similar. But development speed in Dart + Flutter is 10x faster than building an app in Kotlin for Android, and Swift in iOS.