J 3.x PRO 3.3 M
Joomla 3 provides good JUI libraries, including jQuery and Bootstrap. To implement effects in a Joomla menu you need a complex template-override to change menu to meet your needs. This module saves you that time, and allows you to setup a Bootstrap Accordion Menu in no time. Powerfully simple!
AP Bootstrap Accordion Menu module is simple, easy to use and easy to customize. Using Aplikko's admin gives you various choices to customize "Layout".
Details of this are available in the Documentation.