It promotes mutual respect, breaks barriers and shows that you have nothing to hide. Simple and authentic Eye contact is key to building that relationship. It also predicts what kind relationship you will have with colleagues when hired. Most importantly the interviewer will take you not as a stranger but as a friend already.
Training and common goals perspectives. People gather under clans and dependencies. The clan must not be the nationality, but the name of the company. Training will help put all those people into one clan.
Do your research, immerse yourself in the city, visit competitors, see their success stories and mistakes. Learn from them. Where they fall short and where they conquer. Then build a business venture that could stand out and add value and create a shock factor that attracts.