In a tweet on Saturday, Ryan Petrich said that he was able to get the iOS 5.1 version of Google Maps up and running on the recently released iOS 6, which eschewed the search giant's service for a proprietary Apple solution.
Source: @rpetrich via Twitter
Petrich showed off the solution In a corresponding video, however did not divulge the details as to how he was able to port the app over to the new operating system.
From the YouTube description:
Preview of the old Google Maps application from iOS5.1 and earlier running on an iPhone 3G S updated to iOS 6.0
Still crashy and cannot be distributed to the public yet, but it mostly works
In a round of follow-up tweets, the hacker confirmed a jailbreak is required to make the legacy Google Maps app functional in iOS 6, and while he would like to release a public version, Petrich is not expected to do so anytime soon.