As you can see, however, there isn't as specific a date as Japan was given, with only "early January" being stated as the timeframe for release. What's more, there is no mention of pricing nor anything like the Rockman Unity app in their statement, so there's currently no telling if there will be any rewards such as that cool phone background we saw before.
For what it's worth, though, the descriptions given of the six games seem to add just a little bit to the lore of the franchise:
Mega Man® Mobile - The evil Dr. Wily must be stopped in this classic action platformer, the original Mega Man!
Mega Man® 2 Mobile- Dr. Wily resurfaces to threaten the world again! Only Mega Man can stand in his way.
Mega Man® 3 Mobile - Fight berserk robots on uncharted planets. Mega Man must set a course for space to resolve this mysterious crisis.
Mega Man® 4 Mobile - A year has passed since Mega Man’s battle in space. A new enemy appears – Dr. Cossack.
Mega Man® 5 Mobile - Manic robots cause chaos in the city. How is Proto Man involved? Only Mega Man can find out!
Mega Man® 6 Mobile - The Global Robot Alliance is formed, but this newfound peace is threatened by a new foe – the enigmatic Mr. X!
Finally, signing up at this link will apparently allow you to take advantage of "special offers," as well as be notified once the games go on sale (though if the notification comes through Apple as Super Mario Run's did, you might not receive it until a day or so later).