In order to install this plugin for Cordova, type the following command:
$> cordova plugin add https://github.com/wf9a5m75/appgyver_test --variable API_KEY_FOR_ANDROID=...For AppGyver, use the appgyver branch. 
###Example Code
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<script type="text/javascript" src="cordova.js"></script>
<script type="text/javascript">
document.addEventListener("deviceready", function() {
var button = document.getElementById("button");
button.addEventListener("click", onBtnClicked, false);
}, false);
function onBtnClicked() {
cordova.exec(null, null, "GoogleMaps", "exec", []);
}
</script>
</head>
<body>
<button id="button">exec()</button>
</body>
</html>