The official Apple Store app for iOS offers free books, apps and other content that users can download to their iOS device, and the company has recently updated its promotion to make Tetris [Direct Link] from Electronic Arts available for free. The current Tetris offer is advertised as "A throwback for you. On us." Typically priced at $0.99 in the iOS App Store, the app is free when users redeem the promotion from within the Apple Store app. The program is designed to entice shoppers to use the Apple Store app and is different from the traditional App Store "App of the Week" sale, which is available to all App Store users and this week features the