One free Tablet Theme for Android is iOS 7 GUI theme. It's realy a wonderful theme for Android Tablet PC. You can see the follow pictures.
iOS7 GUI Theme
Disclaimer: This app is not associated directly with the Apple IPhone 5S. It's just one of tablet themes that looks and works like iPhone 5S Launcher. iPhone is a trademark of Apple, All rights reserved and content copyright belong to their respective users. But I think you will like this free tablet theme for Android.
You can download it for free at Google Play link, have a wonderful experience!