Handwritten letters are entered as they are. You can also draw a simple picture.
in the upper left of the convert mode screen or onscreen keyboard.

At the end of the handwritten letters,
is displayed to indicate an interval to be recognized as a space. You can insert a space by starting the next letter after an interval larger than the width of this mark.

.
or
*1 in the upper left of the input area to select the color and thickness, then handwrite letters.
*1 The icon differs depending on the selected color and thickness.
* You can also change the color of letters after entering them.