Welcome to this week’s gaming edition of iPhone Gems! Each of the four titles we’re looking at today is designed specifically for the iPhone and iPod touch, rather than the iPad, though they all run on the iPad in 1X or 2X emulation mode. They span several different genres ranging from driving to action and puzzles, sometimes mixing multiple genres together, and for the first time in a while, none of the games merited a B+ or higher recommendation.…