Google Keyboard Version 3.019373

Are you looking for Google Keyboard running on kitkat? This is how it look like..

Press return button and hold.

 You will get this...

And this.. :)

Key features:
• Emoji entry point and layouts (Android 4.4, KitKat or later)
• Gesture Typing with dynamic floating preview
• Space aware Gesture Typing (no need to lift your finger while typing - just gesture through the space key)
• Voice Typing
• Next-word suggestions and current-word completions
• Dictionaries for 26 languages
• Advanced keyboard layouts
• Works across your Android devices

Download it here