# Environment configuration

- [Configure the OS](/maestro-cloud/environment-configuration/configure-the-os.md): Set Android API levels or iOS runtime versions and device models for Maestro Cloud tests. Supports Android 10-14 and iOS 16-18.
- [App locales and device timezones](/maestro-cloud/environment-configuration/app-locales-and-device-timezones.md): Configure app locales and understand default device timezones in Maestro Cloud to test internationalization and time-dependent features.