Keyboard consists of three sections, Static Keyboard,Character Suggestions and Word Predictions. Fig. 3 (a) shows the Keyboard in the starting state and (b) halfway through typing the word with. Figures in Section VI illustrate the Keyboard during different steps in typing the words with and buys. In the actual presentation these keyboards are presented without background color. The background color is representative of the prior probability for every letter described in detail
in section VI. A few video demonstrations are provided as supplementary material with the paper.