Step 1: Click the three lines in the top left corner
Step 2: Click Settings
Step 3: In Settings select Product/Menu Settings
Step 4: Choose the options like Sales Item Addition Method, Show Products Inside Combos, Highlight Combos in Product List, Highlight Modifiers in Product list, Show Product Image, Show Modifiers Image and Product Grid Size turn on for those features.
Step 5: Once it was chosen the POS will Restart and show the changes.