Update README.md

README.md

-Some intructions for the app. 
+This mobile application was developed using Java. 
 
-If you are using emulator you will need to have API version 30 or higher.
-Also grade build verion might need changing depending on your Andriod Studio version. 
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+It consists of several screens and is connected to a local DB using SQLLite. 
+
+When the application starts, the user is presented with the home screen and two buttons, one for login and one for registering. 
+
+Once registered or logged in, the user is able to see the list of shows and book one or several tickets for the same show. 
+When another user register and log in, they are not able to book the same tickets as the previous user.
+The user also has got the ability to cancel their ticket if they wish.
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+Some intructions before running the app in Android Studio: 
+
+If you are using an emulator, you will need to have an API version of 30 or higher.
+Also the gradle build verion might need changing depending on your Andriod Studio version. 
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