WP Mobile Detector is a WordPress plugin that will automatically detect what type of device the visitor is using, e.g., smart phone or standard mobile phone and, depending which one it is, the plugin will load and display the right WordPress theme.
WP Mobile Detector is able to recognize over 5,000 different mobile phones. It also provides mobile statistics, automatically formatted content to fit in the device, and image resizing.
This WordPress plugin comes packed with 7 pre-loaded mobile themes and all with jQuery framework. Theme features includes: Touch ready, widgets, collapsible menus, cross-platform compatibility, dynamic page loading and much more.
There is also a premium version of WP Mobile Detector that let you easily customize your theme in real-time from the mobile theme editor; you can change color, add your own logo, track visitors with mobile statistics and much more. If you can build your own mobile theme from scratch, you can use it too.
Here is a little video demo