Custom Keyboard

DOES THE ROKU CHANNEL HAVE A CUSTOM KEYBOARD WITH MOUSE FUNCTION ? I FURTHER NEED TO KNOW WHERE TO LOOK IN THE WEB FOR CODE OR STRINGS TO ENTER IN MY KEYBOARD ? I ALSO NEED TO KNOW WHERE TO LOCATE ART WORK AND THE CODE OR STRINGS FOR COLOR SO I CAN ENTER IT INTO THE KEYBOARD TO AD A CUSTOM COLOR TO THE BOARD . I PLEASE NEED TO KNOW ALL THE NECESSARY INFORMATION TO CUSTOMIZE THE COMPLETE KEYBOARD TO MY PREFERENCES . THANK YOU FOR YOUR TIME AND ASSISTANCE IN THIS URGENT AND PRESSING MATTER . TAKE CARE AND I SINCERELY LOOK FORWARD TO RECEIVING YOUR RESPONSE.