http://toyland.gizmodo.com/cant-code-this-ipad-app-will-easily-let-you-make-your-1709348698
Toy Engine lets you create side-scrolling games on your iPad. Design your game world using a drag and drop level editor. Add custom behaviour using visual scripting. After you’re done, share your creations online for others to play and download.
Ideas for Teaching Computer Technology to Kids 