Today, two big Ruby news came directly from Japan: The Open Source release of Matz' mruby on GitHub. The announce of MobiRuby, an upcoming solution to develop iOS and Android applications using Ruby. Probably due to my involvement with the MacRuby project, people have been asking me what I thought of these news. mruby mruby is far from being a new project. It’s based on the RiteVM which is a spons