simon,
is this the blush you talking about?
This one splitted, I think it's because of me watering in consistently , I usually give it daily 1gal, but sometimes, I get give it 2ga. There is zero seeds inside as you can see. And I think I have not encountered any seeds so far. Will see if the larger size fruit will have any seeds inside.
here's the planto haha tree, 3yrs old(3 winters) since I bought it online: