[Love songs] Purchase Count!

[ownsarai]

No use for the SD card if you don't have a Japanese cell phone it seems. >.< And that is the version I WANT!
From nanakopy via CDJ twitters response.

At this point, it works only on some of the mobile phones, namely from docomo, softbank, and KDDI.
In Japan, digital TV broadcast for mobiles called "1 seg" began a few years ago. So, mobiles equipped with TV became popular.
Then, I think it was last year, but record companies began releasing microSDs specifically intended to be viewed on those TVs.