*NOTE* This package is only useful in combination with a chess GUI that supports Chessbase compatible engines (either Chessbase for Android or Chess for Android). Package contains the following chess engines (chess authors that are interested in including their engine can drop me an email):BikJump (Aart Bik): http://www.aartbik.com/Gaviota (Miguel A. Ballicora): https://sites.google.com/site/gaviotachessengine/Cinnamon (Giuseppe Cannella): http://cinnamonchess.altervista.org/index.phpDiscoCheck (Lucas Braesch): https://github.com/lucasart/chessVirutor (Vaclav Vavra): https://sites.google.com/site/virutor/Rotor (Jan Brouwer) https://sites.google.com/site/chessrotor/All engines are included with explicit permission from the chess engine authors. For more information, see:http://aartbik.blogspot.com/2013/07/chessbase-compatible-engines.html