Write locale-specific app store metadata to fastlane files. Creates all required .txt files for each locale including name, subtitle, description, and keywords.
Verify release toolchain components including ASC API credentials, project directory, fastlane, xcodebuild, and App Store Connect app record. Run this check at the start of any release session.
Validate fastlane metadata files against App Store requirements: ensure subtitle length, keyword count, required files, and copyright include current year.
Configure Android project for Google Play Store publishing by copying service account key and setting up fastlane configuration files for metadata and locales.