Option #1:
This video will show you how to install the leaked Android 4.2 Jelly Bean APK on your Android device (4.0 and up). It includes a new feature called "gesture typing" which is very similar to Swype. Be sure to leave a comment below!

APK download:
http://www.qbking77.com/android-42-jelly-bean-keyboard-review-and-install.html

Option #2:
Jelly Bean 4.2 Keyboard from the Play Store


Option #3
Kii Keyboard (Jelly Bean 4.2 Keyboard tweaked from the Play Store