While a couple of bucks for an app may not be a big deal, no one wants to waste money. So try-before-you-buy is a great idea, especially for those apps that you can't full evaluate within the 15-minute Google Play refund period.
As President Obama authorizes a study on the effects of violent media, we turn to the real experts on video-game carnage -- our panel of video-game characters -- for a lasting solution.