A newly discovered social media page has revealed Yakuza Wars, a new smartphone spinoff game based on Sega’s popular series now known as Like a Dragon.

The new Facebook page revealed the game’s first trailer, promotional artwork, and its developer: China-based studio BBGame. With the wording and presentation of the announcement its clear this was probably revealed prematurely.

Here’s a brief blurb on the game, plus its first teaser trailer:

Sega’s first officially approved smartphone game in the Like a Dragon series is now available.

Set in the world of Like a Dragon, this is a completely new type of masterpiece game that allows you to enjoy innovative strategy battles. Fight alongside familiar characters from the series, such as Kazuma Kiryu, Ichiban Kasuga, and Goro Majima, and carve your own legend in the world of the Gokudo. Experience the excitement of the Like a Dragon series on your smartphone.

The game’s existence was previously revealed with a curious trademark by Sega, though it remained unclear if it was a new mainline game or a spinoff.