Hey Brother, I can develop you as you like with all the functionalities you need and discuss every options to build you best app in good budget written in JAVA in Android Studio.I already have created restaurants app i can show you in chat Not just backend i will also create attractive professional and user friendly UI i can send you my work if you want. Each and everything will be clean and professional.i will work until you are satisfied.i ll provide free tech support for 2 months. Waiting for your reply to discuss more.I can assure you will not be disappointed . Thanks