Launch Custom Android Application from Android Browser with Titanium Mobile

app.js

var win = Ti.UI.createWindow({ backgroundColor: '#fff' });
win.add(Ti.UI.createLabel({ text: 'Type appcelerator.com in a browser, and this app will get launched. Try it!' }));
win.open();

launchFromURL.js

var activity = Ti.Android.currentActivity;
var win = Ti.UI.currentWindow;

activity.addEventListener("create", function(e) {
    win.add(Ti.UI.createButton({title: 'Our app was launched when you typed appcelerator.com!'}));
});

tiapp.xml

<?xml version="1.0" encoding="UTF-8"?>
<ti:app xmlns:ti="http://ti.appcelerator.org">
    ...
    <android xmlns:android="http://schemas.android.com/apk/res/android">
        <activities>
            <activity url="launchFromURL.js">
                <intent-filter>
                    <action android:name="android.intent.action.VIEW"/>
                    <category android:name="android.intent.category.DEFAULT"/>
                    <category android:name="android.intent.category.BROWSABLE"/>
                    <data android:scheme="http" android:host="www.appcelerator.com"/>
                </intent-filter>
            </activity>
        </activities>
    </android>
    ...
</ti:app>