A free program for Android, by Keyboard App and Wallpaper.

Chinese Keyboard is a very useful application for people who love the Chinese language and are looking for a fast, easy, and convenient way to write it. It is a great tool for people who love to write in Chinese and for those who are tired of typing the whole word in the English keyboard. With this app, you can write in Chinese with just one tap! 

It is very easy to use, and it has many beautiful themes that you can choose from. It is designed to work as the default keyboard in your phone or tablet, so you will not have to change any settings. It is very simple and intuitive, and you will have a very good time with it.