/usr/src/castle-game-engine-6.4/base/android/ is in castle-game-engine-src 6.4+dfsg1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/src/castle-game-engine-6.4/base/android/AUTHORS.txt
/usr/src/castle-game-engine-6.4/base/android/castleandroidinternalassetmanager.pas
/usr/src/castle-game-engine-6.4/base/android/castleandroidinternalassetstream.pas
/usr/src/castle-game-engine-6.4/base/android/castleandroidinternalconfiguration.pas
/usr/src/castle-game-engine-6.4/base/android/castleandroidinternalcwstring.pas
/usr/src/castle-game-engine-6.4/base/android/castleandroidinternalinput.pas
/usr/src/castle-game-engine-6.4/base/android/castleandroidinternalkeycodes.pas
/usr/src/castle-game-engine-6.4/base/android/castleandroidinternallog.pas
/usr/src/castle-game-engine-6.4/base/android/castleandroidinternallooper.pas
/usr/src/castle-game-engine-6.4/base/android/castleandroidinternalnativeactivity.pas
/usr/src/castle-game-engine-6.4/base/android/castleandroidinternalnativewindow.pas
/usr/src/castle-game-engine-6.4/base/android/castleandroidinternalrect.pas
/usr/src/castle-game-engine-6.4/base/android/castleandroidnativeappglue.pas