With A2 and FaceStation 2 you have the option to modify the icons on the home screen by configuring them on the device itself. 


Go to the following menu on the device: 

Window Icon (left top corner) > Display Sound > Home screen > Style > Custom > Custom

and you should be able to drag and drop the icons you would like on the main screen. 

FaceStation 2

Refer to page 21 of the User Guide.