Twitter4R v0.2.0 now provides 100% Twitter REST API coverage for Ruby. This is the open source project providing Ruby bindings for the Twitter REST API. Most appropriate for pure Ruby and Ruby on Rails projects.
Android Studio 2.2 has been available in preview form since May, but this week Google made the final version available to all developers. Android Studio is the integrated development environment that Android app writers use to work their magic in creating smartphone and tablet applications.