What is the Dark Chinese Chess game, how does it work?

According to the introduction of IT Viet, Dark Chinese Chess is a Arcade game on the Android platform. There is currently a 3.3 version released on Sep 05, 2017, you can see the details below.

Full Chinese Chess,Situations Chess,Upside down Chess in the same Application. App has the type of play: Play with Machine,play two peoples. Situations Chess with than 90 situations chess.Wonderful for you pitted against the machine and others. Special Upside down Chess very interesting.
Hope useful to you !
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What's new in version 3.3 Update Undo funtion.