* Disk: Import and export the configuration files (Menu > Export / Import)
* Apps running in Background (App usage access - for android 6+):
a) system overlay compatibility: system didn"t allow overlay on top of system overlays (e.g. system permission dialog), there will be "screen overlay detected" warning. If you give this access, monitor automatically turn off itself and prevent such situation.
b)exclusion list function: it also require this permission, so that it know what is running in the background, and then hide the montior automatically for certain apps. The list is defined by users in Auto-hide section.
