It’s no longer hard to imagine a world where Web apps are just as powerful and popular as—if not more than—desktop apps. As inviting as such a world may seem to many, there is still plenty of work that needs to be done before web apps can give native apps a run for their money. Mozilla, for one, is doing its bit. We’re not talking about the highly ambitious Firefox OS (formerly Boot to Gecko) here. Instead,we’re referring to something much more basic: Web app support.