Steps:

  1. Make sure the current version is great.
  2. Change version number for all gradles.
  3. Generate signed APK
    • File > Project Structure, deal with Signing and Build Types
    • Build > Generate Signed APK
  1. Wrap APK and mapping file to a binary directory. Make sure everything is consistent.
  2. Add tags
  3. Go to Google Play, app releases to release.