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This package is only useful in combination with a chess GUI that supports the Android Chessbase compatible format.
The application packages various binaries (armv7, arm64, x86, x86_64) of the UCI chess engine BikJump v2.5 in Android ChessBase compatible format. This mean that the chess engine can be directly imported on a wide variety of Android devices into any chess GUI that supports this format. The recommended GUI is Chess for Android.