Icenium Videos and Demos
"Icenium is an Integrated Cloud Environment (ICE)
that gives developers the features and tools they need to build hybrid applications with ease."
A crazy mix that could just work.
My understanding is that compared to Adobe's Build.PhoneGap,
that is also able to build mobile apps on the cloud, Icenium has:
The system included choices for development environment
Other somewhat similar tools are Sencha
and could also be combined with PhoneGap for building,
but that is just a subset of this new Telerik's package...
The system does not support WinRT (Windows 8 and WP8), at least not yet.