Here's additional detail:
Downloaded JEM 2.2.1 stable version
Installed 2.21 on my existing Joomla 2.5.X website
Published the plugins:
Smart Search - JEM
JEM - Comments Plugin
JEM - Mailer Plugin
Search - JEM
Then from Menu, published all JEM Menu items, including simplelist which appear here:
in805.com/events-calendar/jem-simplelist2.html
No event results even though within CMS events are published and appear in the latest events widget here:
JEM - MODULE-BANNER (LATEST EVENTS TEASER MODULE)
in805.com/jem-2-2-1-test-page.html