The issue... Some versions of Android still play audible notifications when "Do Not Disturb" mode (also called "Night Mode") is selected, which can be very annoying. The solution to this problem is not easy, and should be implemented by the OEMs itself, but while that solution arrives (we trust it), we have found an alternative solution that mitigates the problem: detect when a notification arrives and deactivate the device sound while it plays. Well, it really isn't that simple... Apps, not