I've been dying to try Hot Star ever since I saw a branch in HK but never got the chance to try it out.
I finally paid a visit with a friend and got the original with salt and pepper. It totally lived up to the hype - the piece of chicken they give you is giant (nearly the size of two of my hands). The outside is crunchy and seasoned nicely and the chicken is soft, tender, and incredibly juicy.
My only complaints are that it's really oily (my first bite was mostly salty oil and I drenched an entire napkin in oil just by holding my chicken) and it makes you super thirsty after you finish - make sure you have a bottle of water on hand or buy a drink. I was also under the impression it was boneless so I was surprised to find a giant chicken bone, but it's not a huge deal considering it's probably the best fried chicken I've ever had.