This is a simple kind of app, which could be a phone-based OR web-based.
It is expected to give advice to users about ordering food delivery at home on the basis of payment type i.e. paid by cash or card. For example, if a people want to order a take-away delivery at home, but he doesn't have any cash at that moment, besides, he doesn't want to go out for withdrawing cash. By using this app, he can search the take-away deliveries in his area to see which ones could accept payment by card.
Besides payment type, this app should also include essential information for ordering food like the restaurant phone number, address and menu of take-away.