Panasonic FZ-A3 Series Operating Instructions - Reference Manual page 40

Apps
Other apps are preinstalled in addition to those mentioned above.
40 Operating Instructions - Reference Manual
UserButtonManager
Allows you to configure the unit's buttons ("[UserButtonManager] app" (page 35)).
Hardware Diagnostic
Allows you to check if the unit's functions are operating correctly
("About hardware diagnostics" (page 46)).
File Copy
Allows you to work with files in storage.
Log sending app
Allows you to acquire logs from the unit, and save them to storage or send them to
the server. It is used for analysis during malfunction.
Button Handler
Allows you to select the button handler app. Button handler apps developed
independently can be set here.
[UserButtonService] is set at the time of purchase. If it is set to [Disable], the
[UserButtonManager] app cannot be used.
Panasonic Rapid Configuration
Allows you to apply the various settings at once by scanning a QR code.
WL/BL App
Displays the apps whitelisted and blacklisted in management tools.