> It doesn't pack a huge VM/class library like RoboVM/Xamarin and doesn't try to gap two VMs/GC like Xamarin on Android - instead it uses IPC for talking to system services using it's custom service definition language to define the IPC API/schema in cross language way.

A minimal "Hello World" RoboVM app adds 3mb per CPU slice. I'd assume packaging the Dart VM has a similar footprint.