App crashes when I go back to main menu.

[pzdawood]

###Actual behaviour
When I open the werewolf game and play new game and during game I go back to main menu of screen by putting it into recent tags .when I go to main menu app automatically crashes.

###How to reproduce

• Download the werewolf app from F-driod

• Install this app.

• Open the werewolf app.

• Play new game.

• Then go to main menu.

• When I go to main menu app crashes.

Browser :werewolf

Version:1.0

Operating system:7.1.2

Recording of the bug

https://youtu.be/sOZpV3o8Vls