PhoneGap - building native mobile applications using HTML, CSS and JavaScript

PhoneGap is an HTML5 application framework to develop native applications for mobile devices through integrations of web technologies, HTML5, CSS (CSS3), and JavaScript. 

The software underlying PhoneGap is Apache Cordova. The software was previously called just "PhoneGap", then "Apache Callback". Apache Cordova is open source software. ... http://en.wikipedia.org/wiki/PhoneGap

Apache Cordova is a set of device APIs that allow a mobile app developer to access native device function such as the camera or accelerometer from JavaScript. Combined with a UI framework such as jQuery Mobile or Dojo Mobile or Sencha Touch, this allows a smartphone app to be developed with just HTML, CSS, and JavaScript.