Search the Internet Archive (archive.org) for "iOS IPA Collection" or "Legacy iOS Apps."
Unlike the modern version which features complex 3D models and aggressive ad implementation, the iOS 5.1.1 compatible IPA features: subway surfers ipa ios 5.1.1
To get the game running, you are looking for a specific (the iOS app install file) that matches the hardware architecture of 2012. Search the Internet Archive (archive
If you have previously "purchased" (downloaded) Subway Surfers on your Apple ID using a newer device: Open the on your iOS 5.1.1 device. Navigate to the Purchased tab. Find Subway Surfers and tap the download icon. subway surfers ipa ios 5.1.1
Version 1.9.1 is the most stable. Version 2.8.0 offers more content but may stutter on devices with only 256MB of RAM (like the iPod Touch 4th gen).