A. 1. Provide clear instructions: If you are a visitor, ask the staff for clear instructions on how to use the app or order. 2. Use alternative ordering methods: If the app is too complicated, consider calling the restaurant directly to place your order. 3. Seek assistance: If you are having trouble, ask a staff member for help with the app or ordering process. 4. Share your experience: Provide feedback to the restaurant about the challenges faced by visitors using the app.