I don't want to force you on anything, but wouldn't collaborating with Fluid make more sense ? at least for the UI controls.
Thats not that easy. Most elements of mine are heavily webbed with my C++ classes (self-inheriting AndroidStyle as attached property, various Util classes, etc).
And i am also not forcing anyone to use my library ;)
At the end everyone has to decide on it's own which lib fits the best for his requirements (costs, features).