I don't think an Air Fryer is much different from your convection oven except that the Air Fryer is faster. You can read more about it here.
Vahrehvah has also added Air Fryer recipes this year.
There is much you can do with your Air Fryer if you let your imagination fly :)
Reheating fried snacks is best in Air Fryer since it becomes crispy in a few minutes.
Am compiling the ones I have tried on this page.