Welcome to this week’s gaming edition of iPhone Gems! Today, we look briefly at three recent releases: the puzzle game Cubetrix 3D, the billiards game Pool Pro Online 3, and an interactive version of the Where’s Waldo? book series subtitled The Fantastic Journey. All three of these games are worthy of recommending to readers who are interested in the genres they represent, but for different reasons; Cubetrix 3D is the best overall of the…