I think that it really only applies in the games space. The basic features of most utility apps is pretty easily defined by the problem they're attempting to s

I think that it really only applies in the games space. The basic features of most utility apps is pretty easily defined by the problem they're attempting to solve. The basic functionality of all Twitter apps, for example, are pretty much only what the Twitter API allows. They can do more than that(historical caching, thread aggregation, etc), but the basic functionality is to read your stream and post tweets.