ROOT USERS ONLY!!! For non-rooted devices, use Keyboard Manager Plus: https://play.google.com/store/apps/details?id=com.ne0fhykLabs.android.utility.kmplus

Keyboard Manager allows you to customize what keyboard appears based on your device configuration.

It displays the keyboards you have enabled on your android device, and let you select one per orientation (landscape/portrait).

As your phone switch orientation, the app automatically switch the keyboard.

The app is open source (MPL v2), and the source code is available @ https://bitbucket.org/ne0fhyk/keyboard-manager/src

Recent changes:
- Added support for Android Kitkat.
-Fixed bug causing application to malfunction on devices running Android KitKat.

- Added Keyboard Manager Plus for non-rooted devices: https://play.google.com/store/apps/details?id=com.ne0fhykLabs.android.utility.kmplus
- Fixed support for APPLICATION specific keyboards
- Fixed support for docked keyboard configuration