first of all i'm not the author, the author is Denis Kormalev and his email is (kormalev dot denis at gmail dot com) if you have any questions.

That app is used to show events on the event feed, it has no need to for any other apps and you do not need to start any daemons. It has nice options right in native device settings menu.
The app can be found at:

apps.formeego.org in testing section:
http://apps.formeego.com/staging/app.../calendarfeed/

n9apps:
http://n9-apps.com/calendar-feed

Ovi:
http://store.ovi.com/content/221735

the code is available at gitorious:
https://gitorious.org/calendar-feed

here are screenshots: