There are hidden images inside several of these editions, and you can even find this as a coloring book to give your child more hands - on experience with letters. (newkidscenter.com)
When I play a video game, I want my choices and actions to have consequences beyond causing formerly hidden images to display and being able to move objects around on a screen. (kindlenationdaily.com)
They may hide images behind an innocent - looking media player, password - protect them, or create a fake app. (turbofuture.com)