What are the visa & residency requirements in Hong Kong?

"In order to visit Hong Kong, visitors must obtain a visa prior to their arrival. The process of applying for a visa involves submitting an application form, a valid passport, and other supporting documents such as proof of financial means and a return ticket. In order to obtain residency in Hong Kong, applicants must submit an application form, a valid passport, proof of financial means, and other supporting documents such as a police clearance certificate. The application process also requires applicants to attend an interview with the Immigration Department. After the application is approved, the applicant will receive a residence permit," remarked another expat who made the move to Hong Kong.