AbemaTV announces they started trial service in 6 countries include USA
And I have tested with my iOS Apps on iPad and it's working!
Now we can watch M League!!!
According to announcement, they are testing something and if there is no problem will be available everywhere!
Announcement by Cyber Agent in English
Top Screen on AbemaTV there is Mahjong Chanel - 麻雀-
And can watch M-League Live!!!