Update strings.xml

    <string name="f_number">F-number</string>

    <string name="f_number">F-number</string>

    <string name="camera">Cámara</string>

    <string name="camera">Cámara</string>

    <string name="exif">EXIF</string>

    <string name="exif">EXIF</string>

    <string name="song_title">Song title</string>

    <string name="song_title">Título de la canción</string>

    <!-- Color customization -->

    <!-- Color customization -->

    <string name="background_color">Color del fondo</string>

    <string name="background_color">Color del fondo</string>