Simply install, go to store, buy the largest pack of Crystals wait and get them for free. done
1. Uninstall your old one, download and install this mod apk. (Don't just replace).
2. In store, click buy any crystal, then it will gives you error in buy page, but you will still get your purchase crystal after that.
3. Enjoy your crystal, use gamecih to cheat on others things.