You’re standing in a long line at the grocery store, they are having problems with their registers and it is almost dinner time. You have your daughter in the cart that starts to realize she is getting hungry and bored. She starts moving around and complaining, which you know are the signs that if you don’t do something now, a meltdown is about to happen. What do you do? Reach for your iPhone and put on one of these fun learning apps: problem solved.