Writing Chinese is a breeze if you use the Chinese alphabet system. You can also input the same way as you write Chinese. It is the fastest way of inputting Chinese, and even better, by using it, you also learn how to write Chinese characters better.
This is a simplified version that bundled with a simple notes/text editor. It is a free version which is Ad sponsored. The full version does not have Ad, and you can also use reverse lookup function on characters.