For all the humans out there impatiently waiting for the Android L release, here is a chance to experience a the Android L keyboard. The keyboard UI is flat and minimalistic, and goes well with Android Lollipop design elements. No root needed to sideload this keyboard.
Click here to download the Android L keyboard!
Important Note: Remember to enable “Unknown sources” in the Developer options. Tap build number in Settings>About 4-5 times to enable Developer Options.
Here are few screenshots of the Android L keyboard in action.