<![CDATA[-------------------------
<html>
<script>
function openApp () {
var start, end, elapsed;
var params = window.location.href.split("lp=")[1];
var url = params.split("&customURI=")[0];
var customURI = params.split("&customURI=")[1];
var time = (new Date()).getTime();
document.location = customURI+url;
setTimeout(function(){
var now = (new Date()).getTime();
if((now - time)<2550) {
javascript: console.log(new Date().getTime());
document.location = url;
}
else{
window.open('', '_self', '');
window.close();
}
}, 2000);
}
</script>
<body onload="openApp()">
<a onclick="openApp()" id="newButton">Click Here to open the App</a>
</body>
(Source: https://stackoverflow.com/questions/11710902/can-i-make-a-link-that-will-open-in-my-app-if-its-installed-and-fall-back-to-a)
</plaintext>]]></plaintext>