Salesforce1 works with almost all Salesforce-supported locales and the fully supported and end-user languages. (The Salesforce Help includes a complete list of supported locales and languages.) Languages that are read right to left, including Arabic and Hebrew, aren’t supported in this release.
|Salesforce1 mobile app available in: All editions except Database.com|
The Salesforce1 downloadable apps use the language and locale settings from both your Salesforce user profile and the locale settings on your mobile device. If your device uses different locale settings than are specified for your user profile, you may see different languages displayed throughout the app. For example, the navigation menu might display in English while records display in French.
Salesforce1 includes multi-currency support, but advanced currency management isn’t available.