The second game of the series contains much more detailed and different new mechanics.
Build a great internet cafe. Don't let street thugs and mobsters take your money. They can even throw a bomb inside your cafe.

You can attract more customers on rainy days. Increase the skills you want to develop from the tech tree. Will you become a business prodigy or a brawler skilled at protecting his cafe?

Improve computers. Purchase game licenses. Delight customers. Turn a ruin into a great cafe.
As a decent person, he can proceed normally. Or you could get involved in completely illegal business.