To install Cuphead Mobile on your smartphone, download the Cuphead APK file. Once downloaded, open the APK file in your mobile device's file manager https://apkgenk.com/cuphead-mobile/. You can now access the game from anywhere. Once installed, you can use the shortcut to open the game. To use the mobile version, you must have an Android device. To download Cuphead Mobile for Android, go to the Google Play store. A download link will be given to you after you enable the Unknown Sources feature.