For Players who have troubles of updating the app ( 2015/12/27 )

Regarding the delay with the purchase reflection ( 2017/07/01 )

How to settle that the latest update is not reflected in the App Store ( 2021/09/29 )

【Important】: Languages for responding to inquiries/【重要】：玩家詢問的支援語言/[중요] 문의 시 지원 언어에 관하여/[IMPORTANT] Langues prises en charge pour les demandes de contact ( 2024/12/17 )