The AppCfg tooling and the legacy standalone App Engine SDK, delivered through the GoogleAppEngineLauncher.dmg, GoogleAppEngine.msi, and google_appengine.zip files, are now deprecated

## Deprecate The AppCfg tooling and the legacy standalone App Engine SDK, delivered through the `GoogleAppEngineLauncher.dmg`, `GoogleAppEngine.msi`, and `google_appengine.zip` files, are now deprecated. Google will shut down and remove support on July 30, 2020. ## Change The functionalities of the App Engine SDK is delivered exclusively through [Cloud SDK](https://cloud.google.com/sdk/docs). For more information, see [Migrating to Cloud SDK](https://cloud.google.com/appengine/docs/standard/python/sdk-gcloud-migration).