CAVE announced the release date of two upcoming smartphone shooter game in Japan.
The new DoDonPachi Unlimited release in 2017 January while the new Bug Princess GOLD LABEL release on December 6, 2016.

Both of them will be free to play titles and you can already pre-register for the Bug Princess GOLD LABEL and the pre-registrations for the new DoDonPachi Unlimited starts on December 5, 2016.
Mobirix and CAVE going to release more information about the game in the near future. So stay tuned!