How to change ordering of items under a group (or category)?

1. Open the "ManageApp".
2. From the navigation menu (three lines) on top left, select "Online Menu".
3. Click on the group (ex, Salad). 
4. Click the "Arrange icon" located at top center.
5. 
6.  Click and hold item and drag its position up-down or right-left.
7. Click Save.
8. 

Note - Items can only be rearrange group wise. If you wish to arrange items of more than one group then rearrange one group item , click Save and then choose other group.