Connect a Makey Makey to your iPad to Build a Mouse or Trackpad! https://makeymakey.com/blogs/blog/connect-a-makey-makey-to-your-ipad-to-build-a-mouse-or-trackpad-code-your-key-presses
We heard in March 2020 that the new iPad OS would support arrow keys and mouse or trackpad movement,
Success on the iPad depends on what software you are wanting to use.