To be able to compress an APK File on Android device you may need to install an additional file manager application from Google Play store. You may use any available app, we show the steps using ZArchiver as example.
Download and install ZArchiver application.
Follow these simple steps to compress the file:
Step 1: Open Zarchiver App on your android device
Step 2: Once the application open, tap on Big “Green Plus (+)” icon on the bottom right side of the Zarchiver screen. Choose ZIP format from Archive format dropdown list:
Step 3: Type Name for archive then choose Compression level. You can also set the password on your archive file to secure it.
Step 4: Tap on “OK” button
Step 5: Choose the folder or file that you want to archive by tapping on it.
Step 6: Then tap on the “Right icon” button on the bottom right side of the screen. Wait until the process complete.