### GetPrimaryScreen

API: `GetPrimaryScreen() (*Screen, error)`

`GetPrimaryScreen()` returns the primary screen of the system.

### GetScreens

API: `GetScreens() ([]*Screen, error)`

`GetScreens()` returns information about all screens attached to the system.

This is a brief summary of the exported methods in the provided `App` struct. Do
note that for more detailed functionality or considerations, refer to the actual
Go code or further internal documentation.