Please check out the new version 2.1 of Galileo Offline Maps. Now you can assign POI’s categories to bookmarks. Twelve predefined categories are now available within the app: Residence, Food & Drink, Car Services, Health, Shop, Bank, Entertainment, Culture, Education, Police, Sport and Other.
Read more about new version here: http://galileo-app.com/blog/v2.1-release-notes.html