@NonNull
    public static File getInternalDbDirectory() {
        return new File(getInternalCgeoDirectory(), DATABASES_DIRNAME);
    }
Uses {@link android.content.Context#getExternalFilesDir(String)} with "null".
This is usually the emulated external storage.
It falls back to {@link LocalStorage#getInternalCgeoDirectory()}.
main/src/main/java/cgeo/geocaching/storage/LocalStorage.java