REQ [Request] Need help to hack In-App purchase on SpellFall

[ntson0902]

Name of Game: SpellFall
Play Store Link (If it's a paid app, the apk): https://play.google.com/store/apps/details?id=com.backflipstudios.android.wizardduel
Version: 1.4.
What cheat? Health, xp, gold...:  I need help to hack In-App purchases for buy some paid Items, Chests (not hack Gold in game)
Have you tried cheating this game? What happened?: Try with Freedom, Lucky Patcher but not working
Comments:

 Hi guys. I really like SpellFall, I can hack Gold in game with GameKiller but now I want to purchase some paid items. I tryed with Freedom and Lucky Patcher but not working. I hope you guys will help me. Thank you so much!