Other ones you will find on game forums. Some tricks are written in this page for example CSR2 Hack. It is trustable game generator no doubt. The efficient game trick will show all its magic then yoy use it.
Lets write a rewiev about coin master hack. Read it and you will get many good information about game secret cheat codes.
The tests was done and it showed that game tricks not usually was effective. It is not easy to find the effective cheats. In some cases you may need some advice what type of cheat you may choose. I can tell that choices stories you play hack works fine. You can test it by yourself!