You can check out MIT App Inventor. It uses scratch. Here's an example of a game...

		bhashkarsharma on June 13, 2015 \| parent \| context \| favorite \| on: Ask HN: My 12 year old nephew wants to make a game... You can check out MIT App Inventor. It uses scratch. Here's an example of a game: http://appinventor.mit.edu/explore/ai2/space-invaders.html