HDhub4u apk download is a popular Android app that allows you to watch movies without downloading them from the Play Store. If you have an older Android device, you can download HDhub4u directly from Google Play. However, you have to enable the Install from Unknown Sources option first on your device, and then navigate to your downloads folder to select the APK file and proceed to install it. This method may not work for all apps, as they might have some compatibility issues, or nag you to download the latest Play Store version.