add screens to android app - ASAP!

I have an app with 2 screens and need to ass as much as possible in the next 24 hours. The app: roomies Goal: to manage the life of several roommates in the same apartment. The screens i have: - Home tasks (keeping track of who did what, counting how many times you did dishes, cleaned the house etc, and view of that info to the other roommates.) - Achieving points and achievements (by completing task is the house like shopping twice a month, cooking 3 times a week, etc) The screens I need: - Managing debts between the roommates (simple calculation of who pays to who) - Paying bills (adding bill to the app by data and calculate how much each needs to pay) - Managing shopping list (each of the roommate can add items, and each one can select if they want to participate in the purchase of it. eventually will calculate how much each one needs to pay relatively) - Home page -login and register -set up a house hold Please let me know what you think you can do in 24-36 hours. out of it. Adding the description There's should be integration between the users of the same house.