[RelaxingSounds] Unable to install the app

Project Information

• Repository: https://github.com/batyrf/RelaxingSounds
• Project Name: Relaxing Sounds
• My Submitted Issue: Here
• My GitHub Account: Is here
• Fixed Commit: Here

Expected behavior
I expected that I could install the app after downloading it from Github smoothly.

Actual behavior
When I was trying to install the "Relaxing Sounds" app it shows "App not Installed"

How to reproduce
Here is every possible detail to reproduce the bug.

• Download the older version of the app from here

• When the Downloading process end, try to install it and notice it.

This issue has been acknowledged and fixed by the PO. So you can't reproduce this issue on the recent version of the app.

Information
Operating system: Android 10, Android 7
Devices: Samsung A5 and A6+, Xiaomi Mi A3

Recording Of The Bug