Build me a patient mobile app

I need a patient mobile app linked to firebase where the patient will be able to log in and signup using firebase authentication and will be able to book the doctor and see the doctor description and full information and see the appointment date and the doctor database will be on firebase and the appointment data will be saved on the firebase too and i need a screen for an online pharmacy which is linked to firebase too and a screen for showing the vital of the patient which will be linked to a smart watch and