Javanese Keyboard Plugin is a language plugin for Multiling O Keyboard, which allows you to type in Javanese (Basa Jawa) language. It is a free utility and tool application developed by Honso for Android devices. Please note that this plugin is not an independent app, so you need to install Multiling O Keyboard to use this plugin.

To use the Javanese Keyboard Plugin, first, install the plugin and Multiling O Keyboard on your device. Next, follow the setup guide provided by O Keyboard. Once the setup is complete, you can easily switch between different languages by sliding the space bar.

However, if you encounter any font issues, please refer to the instructions provided on the developer's website. The Javanese Keyboard Plugin for Multiling O Keyboard is a useful tool for those who need to type in Javanese language on their Android devices.