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Joseph Hernandez
Joseph Hernandez

Download APK Files from Google Play Store with APK Downloader


What are Google Play Store app extension files and why do you need them?




If you are an Android user, you probably have downloaded many apps and games from the Google Play Store. But did you know that some of these apps and games require additional files to run properly? These files are called expansion files and they are used to store large assets such as graphics, media, or other data that cannot fit in the APK file.




google play store app extension file download



In this article, we will explain what expansion files are, how they work, how to download and install them, and how to troubleshoot some common issues with them. By the end of this article, you will have a better understanding of how to use apps and games with expansion files on your Android device.


How Google Play Store handles large apps and games




The 100MB APK limit and the expansion files solution




Google Play Store has a size limit for APK files that users can download. This limit is currently set at 100MB for most devices. This means that if an app or game is larger than 100MB, it cannot be downloaded as a single file from the Google Play Store.


This limit is imposed for several reasons. First, it helps to reduce the bandwidth consumption and the download time for users. Second, it helps to prevent users from installing apps or games that may not run well on their devices due to low memory or storage space. Third, it helps to protect users from malicious apps or games that may contain harmful code or data.


However, some apps and games need more than 100MB of memory to provide a rich and immersive experience for users. For example, some 3D games may have high-quality graphics, sound effects, music, or voice-overs that require a lot of space. To solve this problem, Google Play Store allows developers to use expansion files to store additional assets for their apps or games.


The types and sizes of expansion files




Expansion files are additional files that are downloaded separately from the APK file. They are hosted by Google Play Store at no extra cost for developers or users. They are saved to a device's shared storage location (such as an SD card or a USB-mountable partition) where the app or game can access them.


There are two types of expansion files: main and patch. Main expansion files are usually used for the initial installation of an app or game, while patch expansion files are usually used for small updates or fixes. Each app or game can have up to two expansion files: one main file and one patch file.


The maximum size of each expansion file is 2GB. This means that an app or game can have up to 4GB of additional assets stored in expansion files. However, this does not mean that an app or game should use the maximum size of expansion files. Developers should try to optimize their apps or games to reduce the size of their APK and expansion files as much as possible, as this will improve the user experience and the performance of their apps or games.


How to download and install apps and games with expansion files




The automatic and manual methods of downloading expansion files




When you download an app or game from the Google Play Store that requires expansion files, the Google Play Store will try to download the expansion files automatically along with the APK file. This is the preferred and recommended method of downloading expansion files, as it ensures that you get the latest and compatible version of the expansion files for your app or game.


How to add or test APK expansion files on Google Play Console


Android App Bundle vs APK expansion files for large apps


Google Play expansion files download process and development checklist


Benefits of using Play Asset Delivery or Play Feature Delivery for apps larger than 150 MB


Google Play expansion files storage location and file name format


How to use the Downloader Library for downloading expansion files


Rules and limitations of Google Play expansion files


How to update the patch expansion file for small changes to the main expansion file


How to access the expansion files from your app code


How to handle downloading errors and user cancellations of expansion files


How to test your app with expansion files before publishing


How to use APK Expansion Zip Library to read your expansion files


How to reduce the size of your app with Android App Bundles


How to optimize your app for different device configurations with Play Feature Delivery


How to deliver dynamic features and assets with Play Asset Delivery


How to use the Google Play Licensing service to verify your app's expansion files


How to support multiple APKs for different device features


How to use the Google Play Install Referrer API to track your app installs


How to use the Google Play Core Library for in-app updates and feature modules


How to use the Google Play Billing Library for in-app purchases and subscriptions


How to use the Google Play Services SDK for location, maps, ads, and more


How to use the Firebase SDK for analytics, authentication, cloud messaging, and more


How to use the Android Jetpack libraries for UI, architecture, testing, and more


How to use the Android Studio IDE for developing, debugging, and testing your app


How to use the Android Emulator for simulating different devices and scenarios


How to use the Android Developer Tools for building, signing, and publishing your app


How to use the Android Debug Bridge (ADB) for installing and running your app on a device or emulator


How to use the Android Profiler for measuring your app's performance and resource usage


How to use the Android Lint tool for finding and fixing code quality issues


How to use the Android Test tool for writing and running unit, integration, and UI tests


How to use the Android Gradle plugin for configuring your app's build process


How to use the Android Manifest file for declaring your app's components, permissions, and features


How to use the Android Resource Manager for managing your app's images, strings, layouts, and more


How to use the Android Data Binding Library for binding your app's data and UI elements


How to use the Android Room Library for accessing your app's SQLite database


How to use the Android WorkManager Library for scheduling background tasks


How to use the Android Navigation Library for implementing consistent navigation patterns in your app


How to use the Android LiveData Library for observing data changes in your app's UI components


How to use the Android ViewModel Library for managing your app's UI-related data in a lifecycle-aware way


How to use the Android Coroutines Library for simplifying asynchronous programming in Kotlin


How to use the Android KTX Library for writing more concise and idiomatic Kotlin code


How to use the Android Paging Library for loading data incrementally and gracefully in your app's UI components


However, sometimes the automatic download of expansion files may fail or require user intervention. This can happen due to various reasons, such as network issues, device compatibility, storage space availability, or user settings. For example, if you have set your device to only download apps or games over Wi-Fi, you may need to connect to a Wi-Fi network before downloading expansion files. Or, if you have moved your app or game to an external storage device, you may need to move it back to the internal storage before downloading expansion files.


If the automatic download of expansion files does not work for some reason, you can try to download and install them manually. This is a more advanced and less reliable method of downloading expansion files, as it involves finding, downloading, and moving the expansion files to the correct folder on your device. You may also need to use a file manager app or a computer to do this.


The steps to install expansion files manually




If you want to install expansion files manually, you will need to follow these steps:


  • Find out the package name and the version code of your app or game. You can do this by going to the app or game's page on the Google Play Store and looking at the URL. For example, if the URL is then the package name is com.example.app and the version code is the number after the equal sign in the vc parameter (if present). If there is no vc parameter, then the version code is 1.



  • Find out the names and sizes of the expansion files for your app or game. You can do this by going to a website that provides APK and expansion files for download, such as APKPure or APKMirror. Search for your app or game and look for the expansion files under the APK file. The names of the expansion files will follow this format: [mainpatch]...obb. For example, if your app or game has a main expansion file with a version code of 2 and a package name of com.example.app, then the name of the main expansion file will be main.2.com.example.app.obb. The sizes of the expansion files will be shown next to their names.



  • Download the expansion files for your app or game from a reliable source. Make sure that you download the correct and complete files that match the package name and version code of your app or game. Do not download any modified or unofficial files that may harm your device or compromise your security.



Move the expansion files to the correct folder on your device. You will need to use a file manager app or a computer to do this. The correct folder for storing expansion files is /Android/obb// on your device's shared storage locat


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