First of all, let me say I love this game (I think it's the pinnacle of mobile TD games, reminds me of the best from starcraft and warcraft days).
I hope you see this, because my company is looking for a game developer for a project, and don't worry we don't want free work or anything. We're just beginning to look around and you came to mind. I'd love to learn more about what you do and see if we can work together.
Hope this gets through, shoot me an email if you're interested or could offer some pointers in finding a game dev studio - email@example.com