You require to setup your Application details which is the prime feature. To modify your app setting, go to Settings--> App Setting. You will have the below form

Set the time respective of your location in the Time Zone field, select your Country from drop down list and Save the changes. 

Set your Country currency code in Currency Code field. The changes you made here will reflect in items listed section.

In the Distance Unit field, select the appropriate distance either Kilometer or Mile from the drop down.

Enter your App name, that is, your Restaurant/Brand name in App Name field. 

Your restaurant name will be displayed in home page banner, footer, and in meta title. 

Provide your official e-mail address in the App Email field to receive notifications on your orders and other business emails. 

Provide your business telephone number for an accessible contact for your customers in App Contact Number field. 

Add your contact address in the App contact address field. It should contain the Street name, City and State. The address will be updated in footer section- contact info section and Contact Us page. 

The above made changes will reflect in front end as in the below image.

Your next step is to provide longitude and latitude of your location in the respective App Latitude and App Longitude fields. 

This identifies your location in the map in Contact Us page.