This API allows to launch applications hosted on rollApp Cloud Platform.
Using rollApp Cloud App API in JavaScript
On a page, where you want to let users open files, you simply do the following
<script type="text/javascript" src="https://api.rollapp.com/2/js/cloudapp.js"></script>
<script type="text/javascript">
var key = "SeCur3AP1K3y";
var rollAppCloud = new RollAppCloud(key);
</script>
And then all it takes to launch your application is
rollAppCloud.launch("localc");