Moomin Mugs offers 102 images and short descriptions of Moomin Mugs to be browsed with a mobile device. Also a rough estimate of the rarity is provided by rating stars. This app comes handy especially when confronting Moomin Mugs for example at garage sale or a flea market.
In addition checkbox "InCol" with Save provides possibility to save the mugs in collectors posses to a list shown with long tap i.e. press-and-hold on the screen.
Please do check out the PRO version (no ads) as well:
http://www.google.com/url?q=http://play.google.com/store/apps/details?id=me.mengineeringtech.moominmugs