wp scroll posts create widget of scroll posts up/down with setting page , give setting like , enable, title, date, excerpt etc. user can enable or disable each option as one needed.
Go to Appreance->widget there you will find wp scroll posts
widget
or use short code [wpsp]
,[wpsp cat='CategoryName']
to your page or post or text widget
to use in theme use <?php echo do_shortcode('[wpsp]'); ?>
to your template