Jagex has no current plans for a location in the US.
You can't.
Yes you can buy it has to be paid at the jagex store
Uk- WhSmith or Sainsburys. US- Target 7-Eleven. Alternatively you can buy Runescape card packages off the JaGeX store.
No, Jagex don't give you a free sweater when you reach 200m experience in a skill. There are a lot of people with at least 200m experience in any skill already, Jagex wouldn't suddenly start giving them out now. Jagex do own an online store where people can purchase clothing and other items.
You can not type in a jagex crown. You have to be an employee of Jagex.
Jagex is a company, so, you cannot get Jagex on your DSI.
You can't, but you can complete the quest jagex makes for us.
Jagex's population is 450.
Jagex is located in Cambridge, England.
Jagex Ltd, is not a person it is a company. So, you can't have a friend named Jagex. You might have a friend that works for Jagex though.
Yes, JaGeX are the creators of RuneScape. Paul and Andrew Gower formed JaGeX.