"Statically-typed Ruby" that isn't actually Ruby, but a subset of Ruby[1] + mandatory type annotations. A rather misleading title. E.g. here's an example [2], with stuff like this: ## java.lang.String -> void def set_title(title) @title_view.setText(title) return end I kinda doubt this will take off with most Ruby users. Though being able to use something quite close to Ruby to write native Android apps is somewhat a…
This is at least running on a JVM, which gives you a buttload of tooling.