LG K20 V
LG K20 V - Agregar carpetas a la pantalla de inicio
LG K20™ V - Add Folders to Home Screen
From a Home screen, touch and hold an app icon and drag it over to another app that you want in the same folder.
Drop the app onto the other app (a folder is created and opened).
Enter a name for the folder and select a color if desired (palette located on the right of the Name field).
+ (plus sign)
(located to the right of the folder name) to select additional apps to add to the folder.
Tap an empty part of the Home screen to exit the folder.