In short, Texas Hold ‘em is a variant on poker that drops two cards in front of each of several players - six, including you, on the iPod version - and then places up to five community cards in the center of the group, starting with three cards and then adding one per round while players bet on who will make the best five-card hand from the seven total cards. Your goal is to get other players to toss in as much money as possible into the betting…