iTunes Connect
Leaderboard data is stored on Apple’s Game Center servers. To configure your app to interact with leaderboards, you must first properly configure everything in iTunes Connect. Using the iTunes Connect Portal (http://itunesconnect.apple.com), create a new app as you would when submitting an app for sale. If you already have an existing app, you can use that as well. After you have populated the basic information, your app page should look similar to the one shown in Figure 3.2.
Figure 3.2 A basic app page as seen through iTunes Connect.
Warning
From the time that you create a new app in iTunes Connect, you have 90 days to submit ...
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