WPtouch
http://wordpress.org/extend/plugins/wptouch/
WPtouch automatically transforms your WordPress blog into an iPhone application-style theme, complete with ajax loading articles and effects, when viewed from an iPhone, iPod touch, Android, Opera Mini, Palm Pre, Samsung touch and BlackBerry Storm/Torch mobile devices.
日本語が含まれない投稿は無視されますのでご注意ください。(スパム対策)