@jamiemccarthy 2015 - track pad shows up as mouse †
2024 - track pad shows up as mouse ††
When mac sees a mouse you get arrow motion, click and double click. That's it. Like a mouse without a scrollwheel
† https://discussions.apple.com/thread/7297989?sortBy=rank
†† https://www.reddit.com/r/applehelp/comments/1gpcf68/bought_a_magic_trackpad_is_recognized_as_mouse/