We're working on it! Having two language virtual machines with objects that can contain references to each other is quite technically challenging. There's a bunch of work to be done to address that[1]. Along the way, we're working with the larger Chrome team to address any other requirements they have.
> Dart on Android?
The Dart VM does run on Android right now [2]. My understanding is that the performance is impressive relative to Dalvik/ART, though don't quote me on that.
[1]: https://groups.google.com/a/chromium.org/forum/#!topic/blink... [2]: https://code.google.com/p/dart/wiki/Android
> Will the Dart IDE look correctly on Windows 8 high-dpi devices?
Aside from the splash screen, it looks nice and sharp on my retina Mac.
> In fact, what is the future of Dart? Is it just a complement to browser-based JavaScript?
We're working to make it a comprehensive web language, both client and server-side.