ionic system app for one store (grocery) multi delivery boy

I wanna buy in application of grocery in (codecanyone) Link there [login to view URL] I wish you modify (google map ,,,) Live demo [login to view URL] NOTE this app use ionic system this app for one store (grocery) multi delivery boy 1- Firstall The form of the invoice 1- store tax number15% on delivery fee not all of invoice ! 2- store name 3- invoice date 4- Cancel all payment gateways only in cash or via the ATM network 2- add chat between delivery-boy-app and customer-app 1- both can Cancelling order 2- both Take a picture of the products or Download It 3- both send A voice message 4- both send map Location from google map 3- costumer Activation via mobile number. 4- And customize the template to be compatible with the company (logo, numbers, social media ...) 5- Upload the application to the Google & Apple developer account 6- Add the feature to download the map from Google Map to the customer's account within his account ( real time location ) , The delivery boy app can show him the location when sending the order from customer 7- The Delivery Boy can add a comment or pictures on the customer’s account that are shown to the Delivery Boy only so that they do not appear to the customer and when the customer requests the next time the comments and pictures of the house appear for the Delivery Boy so that the Delivery Boy knows the customer’s address better. Also, the Delivery Boy can open all orders for all customers 8- Log in via social networking, Google, Twitter 9- Activate notifications, activate the alarm when the Delivery Boy arrives at the customers location 10 - Teaching the team about managing the store and how to deal with the application, how to manage notifications, how to upload photos, upload offers