We have much improve to this version
1. Show track record when user delete some orders
2. Show discount price
3. Show adjusted price and note, when some buyer have special discount from merchant
4. Waiter can show note from POS
5. The app can mention waiter when some order has updated from POS
6. Fix some bugs when buyer add order same menus with same variant or order from POS
7. Improve some code for efficiency of listing orders
8. Fixing some grammar
9. Add paid by or unpaid on orders

~bokuda LLP