We'll create fresh WordPress site with wp scroll posts installed. You have 20 minutes to test the plugin after that site we'll be deleted.
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