Hotel Service Management

I need to design a web application along with the Android app. This is for my hotel, where i need to install this app in a tab. When customer places the order / Waiter places the order in the app, the details has to be printed (Order Details) and that order will be shared to the chef for the preparation, further served to the customer. The back end parts included with Users like Super Admin (Owner), Admin (To add / change the price of the food, new category, new variety of food), Manager (Can have rights to see the sales (cumulative), order taken by the waiter (individually), he can also have the option of add the product purchased for the preparation ), Waiter (Login is required, he will have the option for choosing the order.. like based in catagory, food name, keywords). A web page will be designed in a way that customer can place the order. Once the order is placed, two options should be shown (Self Picking / Door Delivery - If choosen, door delivery charges will be applicable - based upon the value -- this all should be changable by the admin when ever required) Customer who are placing order in the online, should receive the sms and email. Customer data with Name, address, email id, dob, Wedding anniversary. SMS Gateway will be provided. For online customer, Payment gateway should be required. - This will also be provided. SMS has to be linke