Whatsapp integrated mobile friendly Website and optionally an App also

Need a feature rich, mobile friendly, secure whatsapp integrated website for a startup on a tight budget. App is only an option not necessary at this stage. Primary requirement is the mobile friendly, "SECURE" website. You choose the technology to design and secure, ensuring ease of use for management and life cycle operations as well as long term sustainability. Previous experience with whatsapp API integration in Apps and websites is crucial to your offer, as that will validate your offer, will like to see previous social media in general and whatsapp in particular integrated projects like websites, Apps etc done by you. [login to view URL] is a template of what I need, please go through it fully and see, its front end is basic but there is a backend which is designed for whatsapp based marketing and business management. You can create a free user account to try it yourself or through me, either way need the same or better functonality for my website it needs additionally more features and pages as follows; user registration with geolocation though interactive google maps for address mapping to mobile number Feature rich, best in class shopping cart, you need to provide comparative examples for me to see Detailed and extensive reporting and data analytics of orders, users and data from the shopping cart, with scheduled auto reporting, see backend pics for reference. E-wallet for users to deposit and use their money towards future orders with user logins to manage their own funds in their e wallets ability to add new pages through the backend for web admin, like about us etc like a cms which the site admin should be fully be able to operate, update and add or remove features. If interested place an order through the above link with your brief notes and price quote through the "Order notes" text box field at the bottom of the Cart, then click on "Place order" to send me your input along with contact number to revert. More after your response.