Because the game isn't on the official store, you will need to "sideload" it. Here is the safest way to do it without compromising your device.

Have you successfully installed Paladog on your device? Let us know which Android version and phone model worked for you in the comments below.

If you're looking for a portable version of Paladog for Android, you can try the following options:

Run the game. It should detect the external OBB. When finished, you can uninstall the app from the device, keeping the portable drive intact for another Android device.