Tom Hume on building apps or using HTML5 for mobile
If you try to build a native app with HTML5 and friends, you’re using a stack of web technologies (OS, browser, JavaScript library, your app) to emulate the thing at the bottom of that stack. Performance will suffer; you’re at the mercy of this intermediate layer. It won’t feel "right". You’ll likely end up fixing or working around platform-specific oddities anyway. Lots of practical experience here, this is one article that is well worth reading and remembering.
