With this component you can easily retrieve data or user authentication from Joomla site for mobile devices or other external website. You can use this API if you want to published Joomla content articles, K2 items, easyblog posts or virtuemart products in another website. This component will work both for Joomla 2.5 & 3.X
Most of the mobile apps use JSON array to collect data from webserver. This extension will converted Joomla information into JSON format . So apps developer can collect information quickly & easily.
> Joomla authentication directly using Joomla username & password
> Joomla registration
> Joomla contents, K2, easyblog, Virtuemart, Hikashop, Kunena Forum ...
Read here for more details: http://www.hoicoimasti.com/products/joomla-extensions/3-joomla-api-for-mobile-apps-android,-iphone-ipad-external-site.html