How to Install APK + Game Assets (.RPK) Files on Android

APK file

An APK is the Android application package used to install the game. It normally contains the application code, launcher icon, permissions, libraries, and the basic files required to start the app.

For large games, the APK may contain only the program itself. Images, animations, music, voices, videos, scripts, and other resources may be distributed separately to keep the installer smaller.

RPK file

An RPK file is generally used as a packaged collection of game resources. Depending on the game or Android port, it may contain:

• Character images and backgrounds
• Animations and video files
• Music, voices, and sound effects
• Game scripts and dialogue
• Maps, models, and other assets

RPK is not one universal Android format. Different developers and porters may use the same extension for different resource packages. The correct folder therefore depends on the specific game. Always follow the path supplied with the download whenever one is available.

When a download page provides both an APK and an RPK or asset package, you will normally need both files.

Installing the APK alone may create the game folder, but the application may not run until the separate resource file has been copied to the expected location.

Prepare the following before starting:

• The correct APK and RPK files for the same game version
• A file manager capable of extracting ZIP or RAR archives
• Enough free storage for both the download and extracted files
• Permission to install apps from the browser or file manager you are using
• A backup of any existing saves when updating an installed game

Step 1: Download both files

Download the APK and the matching RPK or game-assets archive. Check that both files belong to the same release. Mixing an APK from one version with assets from another can cause crashes, missing images, script errors, or an endless loading screen.

A typical download may look like this:

GameName-v1.0.apk
GameName-v1.0.rpk

Or the asset file may arrive inside an archive:

GameName-v1.0.apk
GameName-Assets-v1.0.zip

Step 2: Extract the asset archive

If the game assets are compressed as ZIP, RAR, or 7Z, extract the archive first. Do not simply rename the compressed file to .rpk.

After extraction, you may see:

GameName.rpk

Or a complete folder structure such as:

com.developer.gamename/
└── files/
    └── GameName.rpk

When the archive already contains a complete folder structure, preserve that structure instead of moving only the RPK file.

Step 3: Allow installation from the current source

Open the APK. Android may ask you to allow installations from the browser, download manager, or file manager that opened it.

Enable the permission only for the app you are currently using, install the APK, and disable the permission again afterward if you do not regularly sideload applications.

Step 4: Install the APK

Install the APK but do not begin playing immediately. In many cases, launching the application once helps Android create its required data directory.

1. Install the APK.
2. Open the game once.
3. Grant any legitimate storage permission it requests.
4. Close the game completely.

If the game displays a missing-assets message during this first launch, that is expected when the data file has not yet been copied.

Step 5: Find the required destination folder

The exact destination differs between games. Common locations include:

Internal storage/Android/data/package.name/files/

Internal storage/Android/data/package.name/files/game/

Internal storage/Android/obb/package.name/

Internal storage/GameName/

Internal storage/Download/GameName/

The text package.name is a placeholder. A real folder may look like:

Android/data/com.developer.gamename/files/

Step 6: Copy the RPK file or asset folder

Move or copy the extracted RPK file into the required destination. Make sure the filename remains unchanged unless the instructions explicitly tell you to rename it.

For example:

Internal storage/
└── Android/
    └── data/
        └── com.developer.gamename/
            └── files/
                └── GameName.rpk

If your archive contains several files or subfolders, copy all of them while preserving their original folder structure.

Step 7: Launch the game

Open the application after the transfer is complete. The first launch may take longer than usual while the game verifies, indexes, or extracts its resources.

Avoid closing the game immediately unless it remains unresponsive for several minutes.

Modern Android versions restrict access to folders inside Android/data and Android/obb. This storage protection is known as scoped storage.

Depending on your phone, the default file manager may prevent you from opening or modifying these directories. Possible solutions include:

• Using the device manufacturer’s built-in Files application
• Using Android’s system document picker when the file manager requests folder access
• Connecting the phone to a computer with a USB cable
• Using a reputable file manager that supports the Storage Access Framework
• Allowing the game to import the asset file itself, when that option is available

Do not grant unrestricted storage access to an unknown file-management application. Use a trusted tool and grant only the minimum access needed to complete the transfer.

If your phone prevents access to Android/data, transferring the assets from a Windows, macOS, or Linux computer may be easier.

1. Connect the Android device to the computer using USB.
2. Unlock the phone.
3. Select File Transfer or MTP mode.
4. Open the device storage on the computer.
5. Navigate to the required data folder.
6. Copy the RPK file or complete asset folder.
7. Safely disconnect the device.
8. Launch the game.

Some phones may still restrict these folders over USB. In that case, use the installation method specifically recommended by the game porter.

Updating requires additional care because the APK, asset file, and saved data may all belong to a specific version.

1. Back up your save files.
2. Keep the currently working APK and RPK until the update is verified.
3. Download the new APK and matching new asset package.
4. Read the update notes for save-compatibility information.
5. Install the new APK over the existing app when signatures match.
6. Replace the old RPK only when the instructions require it.
7. Launch the game and test your latest save.

Do not delete the older installation until the new version launches correctly and recognizes your saves.

Players updating a Ren’Py title should also read our guide to transferring Ren’Py saves to a new version.

The game shows a black screen

A black screen often indicates that the application cannot locate its resources. Confirm that:

• The RPK file has finished downloading
• The asset archive was fully extracted
• The RPK is in the correct folder
• The APK and RPK belong to the same version
• The filename has not been changed

The game says “assets not found”

This usually means the resource file is missing or stored in the wrong directory. Recheck the package folder and the path supplied with the download.

Watch for accidental duplicate folders such as:

Android/data/com.game/com.game/files/

The correct structure may instead be:

Android/data/com.game/files/

The APK will not install

Possible causes include:

• Insufficient free storage
• An older copy signed with a different certificate
• An APK built for an incompatible Android version or CPU architecture
• A damaged or incomplete download
• Installation permission not enabled for the current source

If Android reports a package conflict, back up your saves before uninstalling the previous build.

The game closes immediately

An immediate crash may be caused by incompatible assets, a missing resource package, insufficient memory, or an unsupported device. Restart the phone, confirm the files match, and check whether the game has minimum Android or RAM requirements.

The RPK file keeps opening as an unknown file

You normally do not need to open the RPK manually. It should be copied intact to the directory expected by the game. Android may correctly display it as an unknown file type.

The game cannot access Android/data

This is common on newer Android versions. Use the system document picker, a trusted compatible file manager, USB file transfer, or the game’s own asset importer when available.

The download has several RPK files

Some games divide resources into multiple packages. Copy all required files into the same destination while preserving their original names and directory structure.

• Download the APK and assets from the same release page.
• Do not mix files from different versions or porters.
• Scan APK files before installation.
• Do not disable Android security features permanently.
• Do not grant broad file access to unknown applications.
• Keep enough free storage for extraction and installation.
• Back up saves before updating or uninstalling.
• Retain the working older version until the replacement is tested.

Do I need to download both the APK and RPK?

Usually, yes. The APK installs the application, while the RPK contains the resources required to run the game. The download page should clearly state whether both files are mandatory.

Should I install the APK or copy the RPK first?

Installing and launching the APK once is generally the easiest method because it may create the required data folder. Close the game afterward, copy the RPK, and launch it again. Follow game-specific instructions when they specify a different order.

Where should I put the RPK file?

The location depends on the game. Common destinations include an app-specific folder inside Android/data, a subfolder named files or game, the OBB directory, or a custom folder in internal storage.

Do I need to extract an RPK file?

Normally, no. Copy the RPK file intact unless the installation instructions explicitly tell you to extract it. ZIP, RAR, and 7Z archives containing the RPK must be extracted first.

Can I delete the RPK after installation?

Do not delete the copy used by the game. You may delete the original duplicate from the Downloads folder after confirming that the game works and that the required RPK remains in its destination folder.

Can one RPK work with several APK versions?

Not reliably. Asset packages may contain version-specific scripts, images, or databases. Always use the RPK released with the matching APK unless the developer states that an older package remains compatible.

Will uninstalling the APK remove the game assets?

Android commonly removes files stored in the application’s private or app-specific directory when the app is uninstalled. Back up saves and any important data before uninstalling.

Why is the APK small but the RPK very large?

The APK may contain only the application code and launcher components, while the RPK stores high-resolution images, audio, animations, videos, and other large game resources.

Can I install APK and RPK games on an SD card?

Only when the game and Android device support that storage arrangement. Many applications still require their data to remain in internal app-specific storage.

Are RPK and Ren’Py RPA files the same?

No. Ren’Py commonly uses RPA archives for packaged game assets. An RPK file may come from a custom Android port or another engine and should not automatically be treated as an RPA file.

• Browse Android Games
• Browse Windows Games
• Browse Ren’Py Games
• How to Transfer Ren’Py Saves to a New Version
• Being a DIK
• Milfy City
• Stranded in Space
• Dark Magic

Installing an APK with a separate RPK package is straightforward once you know where the game expects its resources. Download the matching files, install the APK, preserve the supplied folder structure, copy the assets to the exact destination, and keep backups before updating.

The most important rule is that the destination is game-specific. Do not assume every RPK belongs in the same Android folder. Always follow the instructions included with that particular release.

For more compatible mobile titles, visit the Android Games section on GameCax or browse games made with the Ren’Py engine.