Welcome to a special edition of iPhone Gems, focusing on two soccer simulation games. The first, FIFA 10 ($10), is the first iPhone and iPod touch release of Electronic Arts’ perennial multi-million unit selling FIFA franchise, while the latter, Gameloft‘s Real Soccer 2010 ($5), is the sequel to the company’s well-received Real Soccer 2009, which was the first real soccer sim on the iPhone OS platform. Before we delve into gameplay…