[Update]: 2021/3/23 (Tue) 15:00 (UTC-8)
The issues stated below have been resolved by Google.
Please follow the steps from the link below to resolve this issue:
Thank you for your patience and for playing Puzzle & Dragons.
We have noticed that Puzzle & Dragons is facing performance issues on select Android devices due to the Android System WebView update.
We are currently investigating the cause of this issue so please check back for any updates.
We sincerely apologize for the inconvenience this may have caused and thank you for your understanding.