Because you're seeking for an entry-level position, your projects can be side projects. The interviewer wants to know if you're actively coding, what technologies you use, and if you're enthusiastic about your job.  To answer the following question, you'll need to learn more about the firm to which you're applying. You don't want to be too sure of yourself and react with something generic like, "Because I'm smart, driven, and want this job." Instead, utilise your expertise of the organisation to demonstrate how you can help them achieve their objectives.