https://www.youtube.com/watch?v=9xjl-AMOgt0

ビデオスクライブでサンプルのようなビデオを作ることはできますか？

他のソフトウェアを組み合わせて使用​​していますか？

You can use animated GIFs in scribes to have an animation running while other elements are being drawn. The creators of those videos may also have used other software such as Adobe After Effects to create some of the other effects such as where the clouds are moving.

私の弱い英語の質問にお答えいただきありがとうございます

No problem! Google Translate is a marvellous thing. May not get it perfect but close enough for us to provide an answer!