JITSI-MEET Android & IOS Setup

I cloned directory from here - https://github.com/jitsi/jitsi-meet

was able to run the android version on emulator. so everything was working great.

Q1. How/Where to add a splash screen & Intro Slider in this code ?

Q2. Where can i change the UI for the Home Screen (which comes directly after opening the app)

Q3. Where will i get the web version for this jitsi web ? (so that anyone can access meetings via laptop)

Q4. In the Mobile source code , where can i change the jitsi server url ( if i have a custom domain where i have installed jitsi ).