Thank you for playing Touhou LostWord.
During the June 26th maintenance, we updated the game engine to the latest version of Unity. We are aware of a number of issues caused by this update, and have released a patch that addresses them. If you have encountered any problems following the recent maintenance, please try updating the game to the latest version from Google Play or the App Store.
Please note that you do not need to update the game if you have not encountered any issues. You can keep playing normally.
We sincerely apologize for any inconvenience this may have caused.