A free app for Android, by GO Dev Team.

zh-TW for GO Keyboard is a dictionary pack for the Google keyboard, which allows you to type Chinese in any application, such as WhatsApp, WeChat, or even in the Google Search. You don’t need to copy and paste Chinese text to communicate.

It also has an integrated word prediction function. You can see the words you’re going to type in the prediction box. You can select the word you want and it will be added to the prediction box.

It also has a built-in emoji keyboard, which can be used in any application, such as WhatsApp, WeChat, or even in the Google Search.