By Julia Fioretti LONDON (Reuters) – A new app that its creators say allows players to simulate a major merger or acquisition deal, complete with all the drama and backstabbing but with none of the actual financial downside, became available on Thursday for iPhones and iPads. “MA Game” is said by its developer, the international data firm ansarada, to be the world’s first mergers-and-acquisitions (MA) game app. It aims to create all the thrills and cutthroat competition of a real takeover bid. …