A free program for Android, by Facer Studios.

Facer is the world’s best platform for creating and sharing watch faces. Facer is not limited by any watch face manufacturer and offers a huge selection of free and premium watch faces from leading brands and artists. The latest addition to the Facer app is the ability to create your own watch faces. You can select from a list of pre-made designs and modify them to fit your style. You can add text, draw different shapes, and even add your own images. You can change the color and transparency of the background and text and add multiple backgrounds. You can choose from a variety of font styles and colors.