Chess for Android - Black rules

For once I had a decent game of Chess for Android, playing black.

Check out the link to the file at -
https://drive.google.com/file/d/1tNjPQKXBNTZDP1ckiLv50Jy9sZQtkQwG/view?usp=drivesdk

Result : Draw 1/2 - 1/2 !😊😊😊