More info about the device:
http://www.jxdofficial.com/jxd-s7800b-7-inch-quad-core-game-console.html?options=cart
This free fantasy game is best suited for fans of: hack 'n slash, action RPGs, dark fantasy games, multiplayer and free adventure games.
I played this free android game on my JXD S7800B. It's very speedy and smooth.
Just download from Google Play, then you can play it.