*UPDATE* 12/11 (Tue) The issue with the push notification function affecting certain Android users has been solved with the Ver. 16.0 update For more information on the Ver. 16.0 update, see here: https://bit.ly/2QN7XLp
We have confirmed that certain Android users are experiencing an issue in which push notifications are not displaying properly when their in-game Stamina is full.
We are currently investigating the issue and will update the community once more information becomes available.
We apologize for any inconvenience, and thank you for playing Puzzle & Dragons.