SpriteBuilder : Build Native iOS and Android Games with Objective-C and Xcode
SpriteBuilder is an Objective-C Game Development Suite for rapidly building native iOS and Android games with Objective-C and Xcode. It has a designer-friendly UI and features a tileless editor, user interface designer, animation editor for scenes, characters,physics engine, particle systems and boned animations, tools for localization and asset management and sprite sheet generation. SpriteBuilder helps you create games at top speed whether you are an expert developer or a beginner. SpriteBuilder is powered by Cocos2D and Chipmunk and is easy to extend and customize.