TYPE and it will appear onscreen RIGHT ARROW acts as the <enter> key LEFT ARROW acts as the <backspace> or <delete> key UP & DOWN ARROWS let you move between lines CLICK to move cursor If you use special characters like ? it many break due to the way Scratch handles them. Typing too fast might also cause glitches, as well as if you press the Control or Command keys.
This is entirely my project but I was inspired by @griffpatch's word processor. It can be used with credit. -- Will add actual ENTER key in future.