Tohle asi u Opery Mobile fungovat nebude?
http://my.opera.com/Tamil/blog/form-history-auto-c omplete

//edit: a ještě jsem našel trik se změnou User-Agenta

Opera Mobile
Opera Mobile 8.6 (unlike the previous, preview versions, where you needed to "hack" it by hand as described in this article) has built-in support for User-Agent spoofing. Go to Menu/Tools/Settings and set the Identify as drop-down list to Desktop computer if you want to make Web servers think you're using a fully-fledged desktop Web browser.