Table 3. Questionnaire.

Section Question
1. General questions 1. Gender: A. Male, B. Female
2. Nationality: A. China, B. Vietnam, C. Thailand, D. USA, E. Uzbekistan
3. Age: A. 20–30 years, B. 31–40 years, C. 41–50 years, D. 51-60 years
4. Residence period in Korea: A. Less than 1 year, B. 1–2 years, C. 3–5 years, D. More than 5 years
5. Korean language level: A. Beginner, B. Elementary, C. Intermediate, D. Advanced, E. Proficient
6. Occupation: A. Student, B. Teacher/professor, C. Office Worker, D. Other
7. Religion: A. Christianity, B. Muslim, C. None, D. Other
2. Type of food delivery app 8. What kind of app do you usually use to order food?: A. Baemin, B. Yogio, C. Coupang Eats, D. Shuttle
3. Usage frequency 9. How many times a month would you say you use food delivery apps?: A. 1–4 times a month, B. 5–9 times a month, C. More than 10 times a month
4. App interface 10. How satisfied are you with the interface of the mobile app?: A. Absolutely satisfied, B. Satisfied, C. Not satisfied
11. What do you dislike about the app interface?: A. Usability, B. Language options, C. Application interface
12. What language would be more convenient for using the application?: A. English, B. Korean
12-1. If, it is English, what type of translation would be more convenient?: A. Full translation to English, B. Transcription from Korean into English
13. Do you think the app’s interface is user-friendly for people with medical or religious restrictions?: A. A lot, B. A little bit, C. Not at all
5. Points to improve 14. What are the features that you think you need when but are missing from the mobile food delivery app?