To download the Hollow Knight APK for Android, you'll need to follow a few steps. First, ensure that your device allows installations from unknown sources by adjusting the settings in your security options. Next, search for a trusted website that offers the APK file for Hollow Knight, as it's important to download from a reliable source to avoid any security risks. Once you've located the download link, tap on it to start the download process. After the APK file is downloaded, open it and follow the on-screen instructions to install the game on your device. Enjoy the critically acclaimed Metroidvania experience that Hollow Knight offers!