Updating your Android app on the Google Play Store will be required if you make structural changes to the application's underlying code (rebuilding it, enabling app users etc.). Updating an app on Google Play is very simple and takes about 4 hours to process.

You don't have to submit an Android .apk file everytime you want to update something. You can update:

Store presence
Product details
Graphic assets
Content rating
In-App Purchases...

inside Google Play Console without having to upload a new .apk

To update your Android app on Google Play:

Download your updated app from Ubiquity
Sign in to your Google Play Console
Click on your app entry
Click on Release Management
Click App Releases
Click Manage Production
Click on Create Release
Click Upload Apk
Browse files and locate the downloaded .apk file in your folders
Once your APK is uploaded you have a variety of options to choose from.

- Publish now to Production - uploads APK
- Save Draft - saves this for later

Submit Update

Once you have completed all your desired updates to your application click the Submit Update button.

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