1) Debugging APK contains more stuff (not proguarded, debug information etc)
2) Google Play Splits the APK to multiple APKs to reduce the size. Each phone will get a trimmed down version of the App (you have to configure it, or do it manually)
3) It is probably downloaded compressed
1) Debugging APK contains more stuff (not proguarded, debug information etc) 2) Google Play Splits the APK to multiple APKs to reduce the size. Each phone will get a trimmed down version of the App (you have to configure it, or do it manually) 3) It is probably downloaded compressed