The nanodroid-prop Script, respectively it's shortcut nprp is used by NanoDroid to utilize Magisk's resetprop feature for on-the-fly and permanently adjusting system properties. Properties set by this script survive NanoDroid updates
From within a terminal on your device, for example adb shell or Termux invoke the script using either
nanodroid-prop [switch] [parameter(s)]
or
nprp [switch] [parameter(s)]
-C, --cast
set properties required to enable the cast feature on some custom ROMs
-A, --add-prop [prop] [value]
add a system property both on-the-fly and permanently by adding it to NanoDroid's system.prop file
-R, --remove-prop [prop]
remove a system property from NanoDroid's system.prop file
-L, --list-prop
list all properties from NanoDroid's system.prop file