There are lots of apps related to Android 4.1 Jelly Beans OS (e.g. wallpaper, themes, custom ROM etc.) which are available in Google Play Store. One has to use the application named JellyBean Keyboard to have Jelly Bean style customized keyboard on the Android device and you can have lots of new features.
The users can also change the Android tabs and smartphone to the Jelly Bean styling by using the Download & Set Official Stock Android Jelly Bean 4.1 Wallpaper APK. To have the appearance and themes changed, use Settings> appearance> then select the particular keyboard themes.
A device which is already having the Android 4.0 Ice Cream Sandwich will automatically support the Android 4.1 Jelly Bean Keyboard and there is no need to have a Jelly Bean ROM. For new Android related tablets, smartphone the Android V 4.1 Jelly Beans have come out.
For the earlier versions of the devices the same can be available by using the firmware updates or by using the Install Android Jelly Bean 4.1 Wallpaper option. This feature will be available for the renowned brands of Android mobiles such as Samsung Galaxy, HTC, LG Optimus and Sony Xperia and some others. Now the Android users can have some amazing collection of wallpapers.