Version 1.1, 2010-12-10
-Fixed bug in how the "submitAchievement:" method handles the "earnedAchievementCache". -Updated Read Me to clarify iTunes Connect's role in GameCenter.
(Full Revision History)
Xcode 3.2.4 and iOS SDK 4.1
GKTapper is a sample application that shows how to support GameCenter Leaderboards and Achievements. It also demonstrates using GKLeaderboardViewController and GKAchievementViewController to display this data.