You can report any errors or bugs via chat in the right bottom corner.
Be prepared to describe the problem in as much detail as possible and include the following information:
Smartphone brand and model;
The amount of RAM (RAM);
OS (operating system) version;
Description of the bug: under what conditions it was discovered, what it is, etc.;
Photo or video showing this bug;
Your game ID.
Please do not post instructions on how to use these bugs on YouTube or other video hosting sites. This will not help us find the solution to the problem. More importantly, it will spoil the experience of the game for other players.