ScratchJr is an app for younger kids, ages 5-7, to learn basic programming concepts. It’s currently available for Android and iOS devices. It’s currently not available for the Amazon Kindle, which is, quite frankly, very disappointing, but it works well on the Galaxy Tab A that we have at the office. I’m going to try side-loading it on one of the Kindles if they don’t release an officially-supported version soon!