Menu Display with sub category

i really like the new SamabPOS UI Display

may i know how to define the images in menu as shown above


the image is assign cant be seen properly i guest i need to define the size of the image but i dont see any option under menu properties


can i see the sub menu under one screen like shown below

You can change button height and column count properties to size buttons. Images will fit to button size.

You can follow this topic for sub categories

i still couldnt get the output as i want

in Beverages > Hot Drinks sub menu now. Clicking Herbal button will display items tagged as HotDrinks,Herbal and the < (Back) button will navigate us to parent menu.

but on my system i dont

and how do i change the sub menu color eg Beverages>Hot/Cold