modify android app

I currently have an Android app. I need to a few modifications to it asap. 1. add a a fragment screen between the splash and login screen 2. add 4 new screens 3. adjust current look of screens we currently have This should not take but a few hours to do. I have been playing with it but i am not a android developer. I will provide look and graphics. I need this done asap. Will talk pmb to show you current app and discus the adjustments.