HP open sources Enyo javascript framework from webOS, now cross platform

Bless them for putting up a playground: <a href="http://enyojs.com/samples/playground/" rel="nofollow">http://enyojs.com/samples/playground/</a><p>Such a web based interactive was a big reason for why I found it so easy to get up and running with Mongo (<a href="http://try.mongodb.org/" rel="nofollow">http://try.mongodb.org/</a>).

Enyo app Paper Mache (Instapaper client) is on the Android market:<p><a href="https://market.android.com/details?id=net.ryanwatkins.app.papermache" rel="nofollow">https://market.android.com/details?id=net.ryanwatkins.app.pa...</a>

Why oh why does it use document.write?<p><a href="https://github.com/enyojs/enyo/blob/master/source/dom/Control.js#L293" rel="nofollow">https://github.com/enyojs/enyo/blob/master/source/dom/Contro...</a>

I read the overview but I'm still not clear on why/how I would use this.<p>What other existing frameworks would I use this instead of?

What's in it for HP?

I'm a bit disappointed that it'll take until September for them to release all of webOS.

I was excited about this a while back, but with Backbone and Ember (Synapse, Handlebars, etc, too), I'm not so sure Enyo is that awesome anymore.<p>(I'm confused at the comments here lamenting the lack of a UI side of Enyo. I thought that UI elements were a decent part of Enyo?)

I hope they open source whatever part it is that would make porting Android to the Touchpad easy.