If you have downloaded Deus Ex: The Fall on your Jailbroken devices, you may find out that the game does not work well because the developer Square Enix inserts some codes onto jailbroken devices and restricts you firing.
Now I have a solution for you to play Deus Ex: The Fall on jailbroken devices.We are sorry but you can't fire on jailbroken devices
Just visit your cydia and find a tweak called "Xcon", which will hide the status of "jailbreak".
After you install Xcon, just re-launch Deus Ex: The Fall, this should be working fine.
Follow us at http://ios.appsgoer.com/deus-ex-the-fall-13367.html
or just post your "Thanks" below.