9 Cards - An Open Source Android Launcher built with Scala on Android

9 Cards is an open source home launcher for Android written in Scala. This mobile application does the bulk of the work for you, organizing your apps into collections, giving you quick and easy access to the apps you need most, when you need them. 9 Cards doesn’t use common Java Android libraries for views; instead, all views are based on Macroid for Functional UI composition and the business logic in the client is built atop a simple monad transformer stack in Scala