<?php wp_reset_query();  // Restore global post data stomped by the_post(). ?>
        <?php

        // args
        $args = array(
            'numberposts'   => -1,
            'post_type'     => 'page',
            'meta_key'      => 'feature_on_front_page',
            'meta_value'    => 'featured'
        );


        // query
        $the_query = new WP_Query( $args );

        ?>
        <?php if( $the_query->have_posts() ): ?>
            <ul>
                <?php while( $the_query->have_posts() ) : $the_query->the_post(); ?>
                    <li>
                       do some stuff
                    </li>
                <?php endwhile; ?>
            </ul>
        <?php endif; ?>

        <?php wp_reset_query();  // Restore global post data stomped by the_post(). ?>

'meta_value'    => array('Featured' => 'featured')

'meta_value'    => array('featured')