Play Chess under the KoBox X11 subsystem in InkBox OS. Uses Fruit-2.1 engine.
Available here:
http://23.163.0.39/bundles/kobox/extensions/
Connect USB cable, go in KoBox settings -> Export extensions storage then drag-and-drop
xboard.isa and
xboard.isa.dgst files in the drive from your computer.
You can launch it by going in KoBox apps -> Xboard.
If there is no board at launch, go to File -> New Game.
Enjoy!