Create a Wordpress Plugin option page in the plugin page.

plugin-options.php

<?php
/**
 * Plugin Name: Plugin Options
 * Description: Jo Fetzt wa?
 * Version: 0.88
 * Author: René Reimann
 */


add_filter( 'plugin_action_links_plugin-options.php', 'po_plugin_action_links', 10, 3 );
add_filter('after_plugin_row_plugin-options.php','po_row_meta',10, 3);

function po_row_meta($plugin_file, $plugin_data, $status){

    echo  '<tr id="po_options_tr" style="display: none;"><td colspan="4">
          <script>
            jQuery(document).ready(function(){
                var po_options = jQuery("#po_options");
                var po_options_tr = jQuery("#po_options_tr");

                jQuery("#po_options_switch").click( function(e){
                    e.preventDefault();
                    var display_r = po_options_tr.attr("style");

                    if(!display_r){
                        po_options.slideToggle( function (){ po_options_tr.attr("style","display:none");});

                    }else{
                        po_options_tr.show();
                        po_options.slideToggle();
                    }
                });
            });
          </script>
          <div id="po_options" style="display:none">';

    var_dump($plugin_file, $plugin_data, $status);
    echo '</div></td></tr>';
}

function po_plugin_action_links($array){
    $array['opdtions'] = '<a href="#" id="po_options_switch">Einstellungen</a>';
    return $array;
}