I subscribe to Appshopper's RSS feed and every now and then an app comes to my attention that is outstanding. Crossfingers is one such app. In fact I would say crossfingers is an essential iOS game. Crossfingers for iOS promises to be for iOS what Nintai was for Blackberry. This awesome free game is unplayable in any environment but multi-touch and is both challenging and fun. Many of the puzzles require 3 or more fingers on the screen at one time, and often times they're crossed hence the name "Cross fingers. "Check it out in iTunes! Read my full review here.