Here's a step-by-step guide to installing Subway Surfers IPA on your iOS 6 device:

Once the installer script finishes with a "Result: 0" success code, respring your device. The app is now ready to play. Troubleshooting Common Issues

The year 2012 was a turning point for mobile gaming. Smartphones were evolving rapidly, and a fresh, colorful endless runner took the App Store by storm. That game was Subway Surfers. For many retro tech enthusiasts and iOS collectors, playing the original, lightweight version of Subway Surfers on iOS 6 is the ultimate nostalgia trip.

This usually means the IPA file you downloaded is encrypted with someone else's Apple ID, or you forgot to install AppSync Unified on your jailbroken device. Ensure you are using a decrypted ("cracked") IPA file meant for preservation.