A free program for Android, by Color Apps HBN.

Mongolian Color Keyboard 2019: Mongolian Language is a free, easy-to-use, and highly customizable application that is designed to make it convenient for users to type in their native language. It is also designed to make it easy for users to communicate with others, regardless of their native language.

The application is an adaptation of the English language and uses the Mongolian alphabet. It also includes many characters that are not found in the English alphabet. The user can customize the keyboard according to their needs, including the size, shape, color, and background. The keyboard is also designed to be easy to use and intuitive.