android/app/src/main/res/values/strings.xml and change it to your App name.
android/app/build.gradle and change it to your name own build version and application ID.
Get more information about ApplicationId: https://developer.android.com/studio/build/application-id
Note: After changing the ApplicationId you need to update google-services.json file located in
android/app/google-services.json you can navigate to step Login Google to know how to create and download that file.
Replace all images with same size in folder
Don't forget to clean the cache after change app info via the command line or terminal in macOS.
cd ./android && ./gradlew clean