I think that depends a lot about what your objetives are.
They are a bunch of beatifull Apps that show you the data that you need in a intuitive way. But that doesn't mean that could be useful that UI for others.
Every category of data needs a different way to be showed, depending of the last user who will be using this in particular.
A good process to create a good criteria of what you could describe like "Best UI in mobiles" are with benchmark. Benchamrking could give you a very interersting way to understand the concept of "best than...", making a research of the kind of APPs where you want to implement you UI.