I had Spam Musubi both regular and deep fried, back in October and loved it. Pineapple has to be cooked or it makes me sick for some reason and everyone should like sourdough anything.
The only other thing I can say about those ingredients is that they have NOTHING to do with real pizza besides kinda look like it. For a more proper name, how about Hawaiian Flatbread? I'd try a slice of that.