This section covers internationalization (i18n) and localization (L10n) requirements. > [!IMPORTANT] > **Important:** Translated requirements are provided for reference only. Refer to the [English versions of requirements](https://developers.google.com/youtube/gaming/playables/certification/requirements?hl=en) for definitive guidance. ## 1 Language APIs - Game **MAY** use [`getLanguage`](https://developers.google.com/youtube/gaming/playables/reference/sdk#getlanguage) to retrieve the user's current locale setting and adjust the game accordingly. - Game **MUST NOT** use web localization APIs, such as [`navigator.languages`](https://developer.mozilla.org/en-US/docs/Web/API/Navigator/languages) or [`navigator.language`](https://developer.mozilla.org/en-US/docs/Web/API/Navigator/language). ## 2 Language support - Game **MUST** support the English language.