Initial Preparations
Create the Flutter project with a custom App ID
flutter create --org com.yourdomain appname
Change app label for Android and IOS
Generate launch icon for Android and IOS
Customize native splash screen
Backend Preparations
Create required apps and connect to the Flutter project
Generate and add debug key to backend
Launch Preparations
Keystore setup
Sign the app
Create App bundle
flutter build appbundle --obfuscate --split-debug-info=build/app/outputs/symbols/
Create Screenshots
https://screenshots.pro/account
Upload to Play Store
Add Release keys and Google keys to the backend
