Update (2017-09-06): Scans from Weekly Famitsu issue #1501 added to the bottom of this post.
Dx2 Shin Megami Tensei: Liberation, a smartphone Shin Megami Tensei game to be developed by Sega, has been announced via leaks from Weekly Famitsu magazine issue #1501. The game will release on iOS and Android.
The game will be an RPG, and feature two conflicting organisations: “Liberators,” which the protagonist will belong to, and “Acolytes.”
Further information will be revealed via a mega screen in Akihabara in a few days. Weekly Famitsu #1501 will be released on Thursday, September 7 in Japan. More details will be revealed in the following issue #1502 to be released on Thursday, September 14, which will feature an interview about the game and ingame screenshots.
Sega recently launched a teaser site for the title. The teaser site features several character silhouettes, and hints at a collaboration.