- Android 4.0 or above.
- A rooted Android device.
- Google Keyboard from Play Store installed.
- Any root file explorer like ES File Explorer.
- Google Keyboard 4.0 APK file (download here).
- The .so file (download here).
- Download the Google Keyboard 4.0 APK and �.so� file from the links above and copy the two files to the root of your device.
- Install the APK using any file explorer, but do not try and use it. It will most likely end up crashing.
- Using a root file explorer, navigate to /system/lib and backup the libjni_latinimegoogle.so file to a safe location.
- Copy the download �.so� file and replace it with the one found in /system/lib.
- Now you need to set the permissions to rw-r�r�.
If you want to switch themes on the keyboard, simply navigate to Settings > Language & input > Google Keyboard > Appearance & layouts.