Surprised not to see this posted yet.
Second 3DS physical collection includes Power Drift and Puyo Puyo 2.
http://www.seganerds.com/2015/09/08/sega-japan-will-release-a-2nd-physical-3d-classics-compilation/
Let's hope for downloadable versions here.
Holy shit, 3D Power Drift in Japan, even if for now only in physical form ?