Jet Set Radio Future Q&A

I keep trying to get suga by jumping off the dinosaur but he is not showing up. What am I doing wrong?

I am in Kibogaoka Hill it says the gate of and then Japaneese letters.I mean whats with that! Anyways,can someone help me?

When I get one of the mystery tapes and I'm doing a steet challenge what does it mean when it says 30 Tricks. Or whatever number, sometimes it's different.