So I recently updated the NFL Mobile app to version 8.0. And apparently you can no longer use it on jailbroken devices. I confirmed this, because all I get is the first intro screen and in little letters, "Jailbroken device". So my question is, is there anyway to block an app into knowing if your device is jailbroken? I'm not even sure how they figure your device is jailbroken. There are some tell tale signs, just not sure how they do it through the Apple eco-system through their software.