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Portable UCI- and XBoard-compatible chess engines.
...If a chess engine supports NNUE (Neural Network Updated Efficiently) technology and the network is not embedded in the binary, you will find the missing network file in the networks directory.
Requires a chess app that has full access to the internal memory (e.g. Chess for Android 6.2.1 or DroidFish).
Prebuilt UCI- and XBoard-compatible chess engines.
...Newer devices can use the files with the suffix “_arm64-v8.2a-dotprod” in the name.
The APK file "Chess Engines Bonus" contains chess engines without embedded networks. Chess engines in this package are not ready to use. The missing network files can be found in the assets directory (just rename apk to zip). The network file must be copied to an appropriate directory (this is usually the app-specific external storage) and specified in the UCI options.
Requires a chess app that supports the OEX format (e.g. Chess for Android or DroidFish).