如何将我在app-engine上托管的gwt应用转换为可安装的移动应用？

Currently my app is created in Eclipse using GWT and Coded in Java. I have the app hosted on app-engine and all my data is saved in the browser using html5 storage. I want to have this app installable on an iPhone so I included "\<\meta name="apple-mobile-web-app-capable" content="yes" />\ " in my html file, and even included a custom icon etc for the iPhone. Currently my app is created in Eclipse using GW