The ability to identify the author responsible for a piece of software is critical for many research studies and for enhancing software transparency and accountability. However, as opposed to other application markets like iOS, attribution in the Android ecosystem is known to be hard. Android app authors can, either intentionally or by mistake, hide their true identity. A recent study based on the analysis of 2.5 million market entries from 5 Android markets explores the availability, volatility, and overall aptness of publicly available metadata for author attribution in Android app markets.