StencylWork is a game creation suite that lets anyone create flash and mobile games in a fraction of the time. It is simply drag-and-drop gameplay designer builds off the wildly successful MIT Scratch project. You can create 2D game using this webapp software, it works in Android and iPhone. It’s a gorgeous, intuitive toolset that integrates seamlessly with the Stencyl ecosystem.
Its exclusive collaboration and sharing features will have you making Flash games in a flash. For free. For the programmers out there, it offers a powerful “code mode” interface (complete with code completion) for writing behaviors via ActionScript 3 API. (You can also use an external editor of your choosing.) AS3 code is a first-class citizen; it interacts seamlessly with “Design Mode” behaviors and can even be embedded inside them.