We have recently released ver. 18.0.1 for Android and Kindle devices to resolve an issue that was occurring when playing Puzzle & Dragons.
See here for the notice regarding the Android update.
See here for the notice regarding the Kindle update.
Please make sure to update your Puzzle & Dragons to ver. 18.0.1 at your earliest convenience from the respective App Store to continue playing the game on your Android and Kindle devices.
As an apology for the inconvenience that this may have caused, 10 Magic Stones will be given as compensation to all Android users with accounts created before 10/30 (Wed), 7:07 PM (UTC-8) and Kindle users with accounts created before 10/31 (Thu), 6:00 PM (UTC-8) .
Compensation will be delivered via in-game mail and will be available between 11/1 (Fri), 4:00 AM - 11/4 (Mon), 3:59 AM (UTC-8).
We sincerely apologize for any inconveniences this may have caused and thank you for enjoying Puzzle & Dragons.