It is a sequel to their 2014 3DS game, Attack on Titan: Humanity in Chains.
You can take a look at the first video for Attack on Titan 2: Future Coordinates below.
In development and to be published by video game company Spike Chunsoft, Attack on Titan 2: Future Coordinates is scheduled to hit the Nintendo 3DS on an unannounced day later this year.
The official tagline for Attack on Titan 2: Future Coordinates is “Gather comrades!
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First Attack on Titan 2: Future Coordinates Trailer - Brand New 2017 Action/Adventure Game