This can not only be used for publishing to Google Play – but will also be helpful should you decide to publish your app on F-Droid. So one place to maintain your descriptions, screenshots etc – and have them available where needed.
As you plan to update your screenshots anyhow: consider placing them into fastlane/metadata/android/<locale>/images/phoneScreenshots so they are available where looked for (by Fastlane Supply as well as by F-Droid). Find more details here, including what else could/should go inside these structures and where.
This can not only be used for publishing to Google Play – but will also be helpful should you decide to publish your app on F-Droid. So one place to maintain your descriptions, screenshots etc – and have them available where needed.
As you plan to update your screenshots anyhow: consider placing them into
fastlane/metadata/android/<locale>/images/phoneScreenshotsso they are available where looked for (by Fastlane Supply as well as by F-Droid). Find more details here, including what else could/should go inside these structures and where.