BixbiScreenOnOff

Turn screen on/off with physical button when the button is remapped to this App. Here is the step for Galaxy S10 for example::
(1) Open the App first time.
(2) Click "Screen On/Off Setting"
(3) "Activate device admin app" menu opens and click "Activate" at the bottom-right.
close the app.
(4) Open "Setting" -> "Advanced features" "Bixby key"
(5) Choose "BixbiScreenOnOff"
close the setting
Now you can turn on/off screen with bixby button or on/off button on right edge.