It would be nice if it were fully object-oriented, but this is a fairly young software packed and does a beautiful job of making android development clean and simple. In the mean-time, it seems to me like you could do your object-oriented coding in Java and build a library from there if you really need to.
I suppose I would like it if the library development was somehow streamlined, or, better yet, if you could do your java coding in this environment, rather than Eclipse, and have a tool to somehow incorporate it right here. Just some thoughts.