Nintendo launched its new account system, My Nintendo, in Japan. This service will serve as a successor to their previous customer loyalty program, Club Nintendo.
My Nintendo will keep track of online purchases on Wii U and 3DS and grant members points that can redeem for digital content, physical merchandise and discount coupons. The service will also allow you to transfer data between consoles and mobile devices. This implies that Nintendo’s upcoming mobile apps will be connected to their usual console games.
In addition to connecting to pre-existing Nintendo Network IDs, My Nintendo will also be able to link to users’ social media accounts, with Facebook, Twitter and Google Plus being confirmed to be supported so far.
It has been confirmed that the service will be available worldwide, but there is no word on a Western release date.
Gentleman Gamer 
I find it oddly unsatisfying that you say “western release” when it has been released in just ONE country to begin with. But anyway, I hope they don’t exclude half of the planet like with the eShop
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