The Cats of Mars meet the Toy Car opened at Göteborg International Film Festival Friday 2010-01-29 17:30 in "Svenska Bilder 7", then showed @(selection):

2010-11-04 Fantastic Planet, Sydney Science Fiction & Fantasy Film Festival
2011-03-15 (Swedish version) BUFF, Malmö
2011-03-26 (Swedish version) Cinema via Folkets bio
2011-04-25 Mauvais Genre Festival, Tours, France
2011-08-21 Renovation Film Fest, Reno, Nevada, USA
2012-11-03 Chicago Int. Children's Film Festival
2012-08-23 The whole film is now on VIMEO.

Here's a great review from the Swedish Magazine Cinema (for the Swedish version, in Swedish).

The Swedish version (DVD + VOD for school/library use) is sold by FilmCentrum Riks