Refight in royal challenge is needed... not sure if that's what you mean by HR. As it is now, you need to keep scrolling back... and considering I don't have the luck to do it in three times the 'expected' number of tries, I kinda gave that up.

Customized formations would be nice. You set up a formation and it saves it, A, B, and C. Then you could just switch from formation A to formation B in one click. I love convenience updates... better than anything new implemented into the game.