This is the Dragon City Hack for Facebook. It generates Gold, Food and Gems. 

Tutorial How to Use Facebook Dragon City Hack Tool

1. Log in to your Facebook account and go to Dragon City
2. Download and Run Dragon City Hack
3. Enter  amount you wanted to add
4. Click Start and wait until finish hacking
5. Refresh your browser to see results

Remember, this hack is undetected and you never get ban or something like that. Tested many times. Have fun and enjoy!