Android Application

I have source code of my application-
what i want?
1. I already have a login page in my application,i need you to put my login page at the start of my App.
2. Sign the application and make it ready to launch.

I expect to give me-
1. Return the edited source code.
2. Give .apk and app bundle of my app
3. Id password of my Appbundle

Please note- My application is connected with WooCommerce