Your guess?
You can use like "JP xxxk/EU xxxk/NA xxxk/others xxxk" or just worldwide xxxk
I'm still thinking
NA Launch window games lineup (November-March)
http://nintendoeverything.com/index.php/98805/nintendo-announces-nov-18-launch-date-and-details-for-revolutionary-wii-u-console/
Japanese Launch Games
http://www.nintendo.co.jp/wiiu/software/index.html