Samsung’s Galaxy S5 is shaping up to be one of the most exciting smartphone launches of the year — or rather, several of the most exciting smartphone launches of the year, since we’re undoubtedly in store for multiple versions of Samsung’s flagship handset in 2014. Dozens of reports over the past few months have claimed to reveal various secret weapons the Galaxy S5 may pack. Among them are a quad HD display that sports twice as many pixels as a 1080p panel, new faster RAM chips, a 64-bit 8-core processor and an embedded eye scanner for enhanced security. But just as the Galaxy Note 3 focused on refinement and not just piling on new features, the Galaxy S5 will also