/data/data/com.hideitpro/shared_pref/com.hideitpro_preferences.xml

<string name="pin">1234</string>

Images located within:

/mnt/runtime/default/emulated/0/Android/data/com.hideitpro/files/ProgramData/Android/Language/.fr/Pictures/{Album Name}

images names are base64 encoded and the images themselves are only missing a file extension