The project will probably be a mobile game.
Bandai Namco prepares Sword Art Online: Replication, a new installment of the saga role-playing of the japanese company for the virtual reality.
Though still has not been announced what platform or platforms it will launch the title, the company plans a beta in collaboration with NTT Docomo, communications company, japan, between users with mobile connectivity 5G, so everything seems to indicate that it will be a title for smart phones.
In the Dengeki Bunko Fall Festival 2017 the company has shown the first illustrations of this game in which we see some sketches, and models polygonal, still in development, of characters and some environments.