when open the application then you go to screen which contain 3 buttons 1- user login (when click on it you will go to login screen if you have an account then login with email and password if you do not have an account back and choose new user 2- new user (if you do not have an account then add new account with email,password ,phone,name and birth date 3- skip this button enable you to go to application and show all subscription in the gym but if you want to know about your subscription you