Go Native, lets you enable native fast app switching for those apps that do not yet support it. Enable native fast app switching for those apps that do not yet support it. Alternative to backgrounder if all you want to do is use native multitasking for all apps. Optionally allows overriding the explicit (dis)allowance of fast app switching with your chosen setting, letting you control if apps quit.
There are no new icons added to your home screen, you can configure options from the Settings app. There are no screenshots. You can download Go Native free from the BigBoss Cydia repository.