As August begins, and the insane heat subsides from much of the country to give way to a more survivable warmth, the window to celebrate the longer days begins to close. The time to seize your summer is now! Barbecues! Beer! Driving with the windows down! Forgoing socks! Well, that's not for everybody. These are some of the quick hits from the the app store worth checking out while you're in the shade or in beach traffic.