iGaming Business – Social gaming company Zynga has expanded its Zynga Casino franchise with the addition of new mobile social slots game, Riches of Olympus. The new title is now available for users around the world to download to their iPhone, iPad or iPod Touch device. Zynga said that the new title offers a “Las Vegas-style” authentic slots experience that players can enjoy with their friends whilst on the move. The game includes a number of slot features including sticky wilds, mega stack symbols, unique reel arrays, burst wilds, respins and expanding symbols. Players can also access mini games such…