Marmalade Quick is a cross-platform 2D game development platform using Lua and built on Marmalade and Cocos2D-X.
Source: https://www.madewithmarmalade.com/products/quick
Using Lua (the fastest scripting language available), Marmalade Quick is built on Marmalade and Cocos2D-X so it is also powerful and entirely cross-platform. In fact, no other RAD environment offers simultaneous deployment to so many platforms – or the ability to develop for Android on a Mac and for iOS on a PC. With Marmalade Quick and a single codebase you can target: iOS Android Windows Phone 8 Windows Desktop Mac Desktop Tizen BlackBerry 10 BlackBerry Playbook Roku No knowledge of platform-specific languages, APIs or tools is required. So you can get going as soon as you like!