Hi,
The "Earn Free Coins" is functioning via Tapjoy platform.
Firstly, please confirm:
1. When you download app to earn free Haypi in game coins, please note that you should login in with a certain Haypi account, download an app; install it and run it on your device(some typical app would require a registration or to reach a certain check point to get through the transaction), then you may relogin with the same Haypi account to get Haypi coins.
2. Please don't switch accounts or switch devices halfway in the whole process.
3. confirm you've follow strictly to the steps and operation.
If there's trouble with coins after the correct operating way, please send any inquiries to
mobilehelp@tapjoy.com.
They'll look into the transaction and help you resolve the issue.
Any other question or problem about haypi kingdom please feel free to let us know.
Have fun in the game!