- mapping.txt
Lists the mapping between the original and obfuscated class, method, and field names. This file is important when you receive a bug report from a release build, because it translates the obfuscated stack trace back to the original class, method, and member names. See Decoding Obfuscated Stack Traces for more information.
- seeds.txt
Lists the classes and members that are not obfuscated
- usage.txt
Lists the code that was stripped from the .apk