Bloomberg – Roughly 100 percent of lottery tickets are currently sold by retailers—gas stations, supermarkets, or convenience stores—that do little more than print tickets with numbers. It was only a matter of time before someone made apps for that process. Shoutz, an Austin (Tex.)-based startup, announced an agreement Tuesday with the Mega Millions lottery that will bring the game to its LotteryHUB mobile app, which launched in September with the rival Powerball lottery game. Now the two largest forces in the $78 billion per year U.S. lottery industry will share a mobile platform that covers the vast majority of the country,…