<!-- WebAppモード -->
<meta name="mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-capable" content="yes">
<!-- アイコン -->
<link rel="shortcut icon" sizes="196x196" href="icon-196x196.png">
<link rel="apple-touch-icon" href="apple-touch-icon.png" />
//フルスクリーン
navigator.standalone = navigator.standalone || (screen.height-document.documentElement.clientHeight<40)
参考：
Home screen web apps for Android thanks to Chrome 31+ | Breaking the Mobile Web
Add to Homescreen - Google Chrome Mobile — Google Developers
Chrome Beta for Android has full screen browsing very well hidden
APIに新機能追加：Google、「Chrome 31」のβ版公開 - ＠IT