If you want to download Rumble Fighter copy and paste this URL: http://download.cnet.com/Rumble-Fighter/3000-7420_4-10720212.html?tag=lst-0-1 If you need to register, copy and paste this URL: https://id.ogplanet.com/account/register/form.og
No, only in North America and Europe *EDIT* You can use a proxy server that allows you to use an IP address from another country. Also, there is a Rumble Fighter for Korea "Gem Fighter", and there will be one for Thailand.
You have to have a legal kssn and live in korea, but im selling a non public gem fighter account for some astros on rumble fighter, if you want it add : ItsRookking on rumble fighter. Im lookking for 175 astros.