ios app devloper need

we need floowing update in the IOS app called traccar client

https://apps.apple.com/us/app/traccar-client/id843156974

https://github.com/traccar/traccar-client-ios

We need 3 thing need
1)update app name and icon
2)create spalsh screen
3)create login screen (simple to check phone number if it exist go to access) and other fileled to fix the value
4) we need button available and not available on the screen

also upload the app in appstore

we need imediate start the project and finished this