After ARM has won (for now) mobile CPU battle,
even Intel is a big supporter of HTML5 apps,
and providing various potentially useful tools.
One of tools is a PhoneGap "fork" recently acquired from AppMobi,
and there is even a converter from Objective-C to HTML5!
While it would make more sense to optimize for performance
reality is that for most apps that makes no difference...
HTML5 | Intel® Developer Zone
"The Intel® HTML5 App Porter Tool - BETA is a stand-alone application that helps mobile developers translate portions of their iOS* applications into HTML5, allowing them to focus on key porting challenges."