A free app for Android, by Color Apps HBN.

Vietnamese Keyboard is an easy-to-use, stylish, and modern keyboard for your phone or tablet. It supports the Vietnamese language and its various alphabets, letters, and words. With it, you can type Vietnamese in no time at all.

The app comes with a built-in dictionary, auto-correction, and a lot of themes, so you can choose one that best suits your style and personality. You can even change the keyboard’s colors and themes, as well as the font and size.

You can use the keyboard to write messages, emails, and updates in Vietnamese. It’s easy to use and has a modern design, so it’s very easy to learn.