I've used it on a couple myself, paired with Sencha Touch, and I have to say it has been overall a very good experience. We were able to put out an Android and

I've used it on a couple myself, paired with Sencha Touch, and I have to say it has been overall a very good experience. We were able to put out an Android and iOS version of our app in 2 months. Performance on older Android devices wasn't great, but on newer phones like the iPhone 4+ and Androids shipped within the last year, performance was damn close to native.