Creating an app for my restaurant-3

I need an app that you want to use my customer to get my spontaneously offers. hi should be for all mobile apps for apple as well for huaweias well.i have a restaurant like mcdonalds i will try to ask the customers to download my app in order to get my special orders. for example, i have a day with less income, i send a push message to those customers, which has downloaded my app so i can persuade them to buy something from my restaurant.i will send you the menu so the app should look like the same as my menu so people can recognize my [login to view URL] example, you are my customer, you come once a week to my restaurant, i give a rebate if you download the app after downloading the app, i will send you every 7 or 10 days a special order for a given [login to view URL] 10 of 50 customers will be convinced to take the order.