A:AnswerIt may transfer over when you use Migration Assistant, but i'm thinking you may have to actually reinstall it in the mini.
Search online for this, you may find an easy solution
A:AnswerYes you can, but you’ll need a monitor to set that up and to set it up everytime you intend to use it. iPads really just a secondary monitor and not primary
A:AnswerThe short answer is yes but you need to set it up with a regular monitor to get it started. Or you can get a portable monitor to get it started.
A:AnswerOnly if it has a certain OS on the iMac, and sadly i cannot remember which that is. My late model 2015 iMac won't work, plus i'd upgraded the OS as well.
Do a specific search online for that.. there are several online articles that explain it.