Can you change an event after it has already happened? NO. That alone would cause you to question the purpose of a "Hand History" feature. Why would you want to look at a winning hand and gloat about it, or maybe look at a loss and cry over it? One could argue that it is a waste of time to rest on your laurels, or mourn a bad loss; time that you could spend on playing more poker online.
Allow us to explain. A hand history is a record of the action in an online poker hand. It has various uses. For the players, it provides a good reference for future games, especially when you run into a player you have played before. Referring to on hand history records could provide you with some interesting patterns as to the other players betting habits. You can even use it stu your own playing style just after a game; this would help you improve by seeing where you went wrong or could have done better. With FTR Poker, you get another feature called the video hand history. Here, you can see the action exactly as it played out. It's like watching the action replay of a cracking shot to the boundary; or a very soft dismissal.
NO other poker room has this feature; your FTR Poker's player is the only one who has his wonderful feature as a part of your playing experience here.
For our own purpose, we maintain these records for a variety of reasons. Hand history records help us in keeping a track of player activity, both for the purpose of detecting any unfair practices such as collusion, as well as for random requirements that may arise. Let's say we have to reward twenty players who have won with pocket Aces over the course of the past month. Hand history records would then help is sort out all the genuine claims.