Currently Smile is not yet translatable. 

Once you are using a paid plan with Smile, you will be able to access editing the text within the Display section.

At a glance, here is some of the text that is editable:

Here are some examples of text fields in app that are not editable: 

If you'd like to be added to the feature request list for translations, let us know at support@smile.io and you can be notified when this feature becomes available.

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