From http://www.jwz.org/xscreensaver/xscreensaver-5.33.tar.gz

[xscreensaver] / android / project / xscreensaver / libs / arm64-v8a / libxscreensaver.so

diff --git a/android/project/xscreensaver/libs/arm64-v8a/libxscreensaver.so b/android/project/xscreensaver/libs/arm64-v8a/libxscreensaver.so
new file mode 100755 (executable)
index 0000000..bbf8034
Binary files /dev/null and b/android/project/xscreensaver/libs/arm64-v8a/libxscreensaver.so differ