Sega announced Hatsune Miku Project Mirai Remix for 3DS during its fifth anniversary talk..
The game is the complete edition of the Hatsune Miku: Project Mirai series with added elements, similar to Mirai 2 in Japan, and is coming to NA, EU, and the rest of Asia in 2015. Further details to be announced soon.
That sure spices up the 3DS's library in the west
Source [Inside Games] [Dengeki]