Obviously for Spanish speakers
Response from developer
Thank you for your feedback. All our apps have a settings button to show Spanish and English, but if you talked about the spelling rules specifically, we never believed that displaying them in English would be helpful, because spelling in Spanish is for people that actually can read and write in Spanish, but it sounds like a good idea to consider. Maybe the confusion is the word spelling because in English it is another concept (in Spanish it means "deletreo") but we could not find a better phrase to refer to "Reglas de Ortografía" (Spelling Rules).
