Pettracker Sencha Touch implementation of Google Maps API against Node.js and MongoDB. For detailed information see my blog post here on how to use it: http://loutilities.wordpress.com/2012/08/14/mobile-geolocation-app-in-30-minutes-part-2-sencha-touch/ You can also see the sample application deploy on OpenShift here: http://dogtags-loutilities.rhcloud.com/