WordPress Mobile Store Themes are multipurpose and can be used by smartphone stores and mobile accessories. The wide range of website templates makes it easy to choose the best suitable theme according to your project ideas.
So, you can look at 3.0 as it is the new latest version but, it is coming out with some bugs. And if 3.0 is a little bit buggy then now it already has come to 3.0.2.0. It should be stable too.