SEGA Ages Puyo Puyo Tsu has been given a release date in Japan and will release this week on January 16. The game will be priced at 999 yen.
The west will be getting SEGA Ages Puyo Puyo Tsu at a later date, but no news has been given yet.
You can find more information about this release here
In addition, I would like to add that there is an active Sega retrogaming Facebook community group you can join at https://www.facebook.com/groups/segaretrogamers/
For more, visit Retro Gamers Hub (www.retrogamershub.com) for their extensive collection of retrogaming interest groups to choose from.