# Language The language button in the [My Apps](/guide/main-screen/my-apps) top bar opens the language selector for the builder UI. ## Supported languages The host UI is fully localized into **10 languages**: Chinese · English · Arabic (full RTL) · Portuguese · Spanish · French · German · Russian · Japanese · Korean ## How it works - Tap the language button and pick a language. - The change applies **immediately** across the whole builder UI; a confirmation snackbar appears. - Arabic switches the layout to full right-to-left. ## Scope This is the **builder's** UI language. The language of the apps you *generate* is configured separately per app (and a generated app can also offer an in-page [translation overlay](/guide/config/appearance)).