You can freely distribute videos that use this app and videos that use it. If you contact us with the URL of the video, we will introduce it in the help, so please contact us by email or review. *How to use 1. Move members or balls, or draw lines with a pen. *Function You can change the number of members, name, color, mark shape. You can change the thickness and color of the pen. You can select the background. You can save and read the status while you are moving. If you have any requests ple