Port of the CuckooChess applet/engine. Features include: * Opening books: Internal, polyglot, CTG * Clocks * Analyze mode * Two player mode * Edit board * PGN import/export/edit * FEN/EPD import * Adjustable playing strength * One Touch Moves * Blindfold mode * Color themes * Animated moves * Scid DB support using "Scid on the go" * Highly configurable * Third party UCI engines * Configurable UCI engine options * Support for "open exchange" engine apps, such as texel and komodo 8. * Gaviota endgame tablebases * Syzygy endgame tablebases If you have https://f-droid.org/packages/org.scid.android installed you can read Scid database files directly from the app by long-pressing the board and choosing Load game from Scid file.