Here's an explanation of each of Apt's menu options, one by one.
Go to the settings form.
Disable Apt, it will now have no effect on your device.
Swap between standard and small font, shows 14 lines on trigger screens when using small
fonts on a square screen.
Remove Apt from your device. If your device doesn't reset by itself, you will need to do it manually.
Resets prefs for this target.
Deletes prefs for this target and returns to *Default*.
Deletes prefs for all targets except *Default*.
Toggle showing of apps on external memory cards in the target selector See the settings form for the current setting. Apt will restart after this item is selected.
Toggle showing of hidden apps in the target selector See the settings form for the current setting. Apt will restart after this item is selected.
Copies the current target prefs to the clipboard.
Pastes the clipboard to the current target prefs.
Pastes the last ID selected via the actions Apt:ListMenu, Apt:ListFld, Apt:ListCtrl, Apt::ListFrom.
Pastes the last screen coordinate obtained via the Apt:GetPoint action.