After it will process less a week, inform applicant for signing contract for locals and applying work permit or visa for foreigners
Understanding your point of getting this job and why should the company hire you.
Walk in. You don't have to prepare anything at all. Fill in their application form and they'll arrange for an interview. During the interview they'll ask your prior retail experience and your past working experiences. They'll ask if you can work on weekends. The main thing is, you should be able to work on both weekends and you'll definitely get the job.