Children's drawing app

・ It is a drawing application for children, and it has fewer options for color and line thickness.
・ Installed color switching and tip thickness switching at the bottom of the screen, which seems to be used frequently.
・ You can switch between brush and pencil at the top of the screen.
・ It is assumed that clicking on the save button on the right will display options such as saving to the terminal and posting to SNS.