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http://mashable.com/2010/03/11/opera...-beta-android/

This version is nearly identical to the Opera Mini 5 Beta for other handsets; biggest improvements are speed dial, tabbed browsing, password management and better optimization for touchscreen phones. Compared to the old Opera Mini 4.2, it’s a world of difference, so if you’re an Opera Mini user, you should definitely try out, even though it’s a beta.