What did you try to do?
Upon finishing watching the ad for a driver's health, immediately clicked on train drivers. Expected a driver's health deduction with a 5% increase. Thus expected a net decrease of (+5-14 =-9%).
What happened instead?
Only increase of 5%, with training taking effect. Enabling to do two training session for a price of one.
Did the problem happen while using wi-fi, mobile data, or both?
Wi-fi
Did the bug happen in the app, on PC, or both?
App
What is the model of your device?
Xiaomi MI9T
What is the operating system?
Android
What is the version number of the operating system?
Android 10QKQ1.190825.002
Can the bug be reproduced?
It has happened a couple of times. Not on every occasion.
Additional comments:
There is a possibility of exploiting this bug.