Get as infinite Gems, Exp points and Gold using this Dragon City Hack .It's completely free to download without any survey or password .
It's easy to use although you should have NET Framework 4.5 installed before you can run the hack
If you don't have NET Framework 4.5 already installed , download it from here
Then download Dragon City Hack
You have to get your game session id to put it in the have to work ,so log in to your facebook account and play Dragon City Game and watch this video to learn how to get your session id
Then run the hack and enter your session id into it to get Food, Gold, Gem for Free ,Enjoy ! .