Long before these smartphones ever emerged from their respective drafting rooms, the world knew that the showdown between them would be fierce. One device is a product of an Android juggernaut, a fourth-generation powerhouse from a take-no-prisoners Goliath that essentially owns the Google-powered smartphone space. The other is a last-ditch effort to save its creator from certain destruction, a product forged from that peculiar mixture of desperation and determination that sometimes begets pure art. The Samsung Galaxy S 4 ...