ACF posttype field list

[littledevil]

I created a posttype called store with fields title(by default) and genre(custom field via ACF).

now to list these stores as taxonomy for books. I created another field group for posttype-books and added field called store list to it. in field type I selected taxonomy, taxonomy as stores and field type again as checkbox.

so now when I add a new book the storelist shows the title of the stores BUT

1. how do I get it to list the genre too for the selected storename.
2. also on front end when I try to echo the value as <?php echo get_field('storelist');?> it returns back Array instead of the name of the store

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