billing, ordering, delivery pos app for windows pc , android and iphone

billing, ordering pos app for windows pc , android and iphone, compatible from kiktat to nougat where main billing app would be in windows pc and android/iphone app for customers and managers app should have ordering plus delivery with location customers can select delivery location as "Vehicle" if they are near the restaurant, to have the option of adding their vehicle no or vehicle photo, namely their license plate no main app windows admin can disable and enable windows 1) pos window its the main window where pr --------oducts are listed with quantity, quantity to become red when its near depletion or almost ended 2) ordering to have two modes shortcut mode and name mode admin can bind products to any key on keyboard with the exception of esc and return key and ctrl+alt+delete in shortcut mode user presses hotkey to add one quantity of product to order/basket presses ctrl + shortcut key to remove one quatity of product from the basket presses shift + hotkey to manage inventory of that product inventory mangement in main windows if not in shortcut mode enter is the key to print the order by default only token is printed this can be permanently disabled from setting window shift + enter key prints the whole bill if only token is enabled order reset count after which order no. will reset but bill no. should not 3) stats and prediction windows daily weekly and yearly trends with option to select various criteria like stats of sale of a particulatr product etc 4) admin can disable or enable delivery which would reflect in customer/phone app admin can set boundary geo location of the areas which are servicable 5) admin can enable global or customer wise otp generation for sms integration 6)user can also enter price and the app should calculate the quantity of the selected product when in pos mode arrow keys will move between previous orders , with enter key we would select the bill to edit the details of previous bills, and see the status of the order, location of the delivery person on google map customer databse to be save where previous delivery add is saved customer rating system, customers can be selected for cash on delivery here global limit of cod amount can be set here payment gateways should be easily changable integartion with paytm and Bhim app backoffice app to have three options ----------------- managers, order completion, delivery ----------- order completion ----------- multiple operators can login into Order Completion app, they should receive orders one after another display order with options for complete/cancelling and tap and hold to interexchange of orders within order operators after operator finsihes the order a slip to print with order no manager app interface (all these option should also be available to the admin via the main pc app) ---------------------- can add vendors update stocks click picturs of bill of purchase, which can be deleted or updated these will also reflect in main app, can add payment details or comments for individual bills delivery interface --------------- integration with google maps, delivery person to see the location of delivery which is picked from customer app, estimated time is shown to customer based on delivery person location admin can associate multiple orders to a single delivery person delivery of multiple orders to show multiple drops to the delivery person which they can select customer app _____________ guest order through otp customers to register by their phone no/ email both are mandatory forget password option to reset password through sms or email products to appear category wise customers can add products individualy to their basket see foodpanda for refrence rest i will post later as descripption has a word limit