Classic mobile games like Angry Birds , Fruit Ninja , Infinity Blade , and Flappy Bird have been completely removed from the modern App Store.
Finding IPA files for iOS 5.1.1 requires patience, a bit of detective work, and a willingness to explore archive sites and jailbreak repos. But once you drag that perfectly crafted iOS 5-compatible .ipa into iTunes and see the app spring to life on that Retina display… the effort is absolutely worth it. ipa ios 5.1.1