Go in and edit the costumes of the ''text'' sprite to make your own font!
The typing function works like a normal keyboard, but up arrow is !, down arrow is ?, left arrow is ., right arrow is like a backspace key, and the buttons at the bottom do what they say. Also, a cool tip for scratch: If you want to take a screenshot, don't bother with snipping tool, just right-click anywhere in the scratch game box thing, and click ''save image as...". It'll save whatever is going on in the project as an image!