How can I move on this thing?

To learn how to get going you can get your first basics from the following video explained by Jamie Nowman from Trueschool:

What kind of tricks can I do?

Best trick you can do with a Streetboard is to travel around the world. Now a more technical answer is: "you can do on a Streetboard pretty much everything you can do on a Snowboard". Check Gabi Muñoz's video pulling some tricks in Korea.