Also I do agree with Mav on that while I know you want to get appy. The training isn't going to do much good if she isnt tracked as she probably wont match him. That and I'm sure there are other boys who would be better than have appy also
i personally wouldnt use him because hes not tracked and hes weak in int and scp. plus i would wait for her W4 so you can see her weakness(es) and properly match her.