Update!! Download And Install Google L Keyboard On Your Android

Google L keyboard is now available for Nexus 5 7or any device running 4.4 rooted devices only, Bejunk over at XDA ported the keyboard and shared a flashable .zip that will give you the new keyboard with the Material Design theme.

This keyboard is assumed to work on all ROM base on 4.4k

If you have the Google Keyboard installed, you should uninstall it or delete it from /system/app, using explore then download the zip here and flash it in either with ClockworkMod or TWRP recovery. After you are done with that,go to settings in order to config this keyboard. Form, go to Keyboard Settings,>>>> Advanced (Expert) Settings and select “Material” in color scheme.
VID XDA

How To flash zip to your cwm

>>>Switch off your phone, and wait until it vibrates.
>>>Now boot into recovery mode, press & hold the following combination of keys together: “Volume UP + Home key + Power button”
>>>Use the “Volume  UP & DOWN” keys to navigate/scroll through the options in the recovery
>>>Use the “Power button” to select an option in the recovery
>>>Transfer the “.zip” you want to flash on your sdcard. The best way is to save the file in the root of the SD Card. But you can also save the file in any folder you wish on your SD Card.
>>>Boot into recovery mode [See instructions above]
>>>Now Scroll to “install zip from sdcard” and select it.
>>>Select  “choose a zip from sdcard”.
>>>Scroll to the file and select it.
>>>Now confirm installation by selecting “Yes — Install flashablezip”
Once the installation is complete, go back and select “reboot system now” and enjoy