This document describes an app called Euro Coin Collection that allows users to catalog and view their collection of euro coins. The app includes albums to organize standard euro coins, 2-euro commemorative coins, and coins sorted by year of issue. It also allows users to track coins they own, want to swap, or want to acquire. The app provides detailed images and information on over 460 coin designs from 23 euro area countries. It has features for grading coins, identifying 2-euro edge types, sharing lists with others, and viewing maps and country information. The app is localized in 7 languages and includes sound effects and shaking features.