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I am not super convinced for now, you should at least know the names of the games you prefer, and then accessing them in the list is very fast by typing the 1st letters of their names. Adding some code to count either the number of times a game was used or even worse for the gui a separate list for favorited stuff would be quite some work, and not sure it's worth it. It could be interesting to keep some info on how many times/how much time a game was played though, I just have to think of something to display it without overloading what is already displayed, plus then test how / where to save this info (every time a game is changed / the emulator window is closed, then in which config file). So well, not so easy, maybe later, I'll think about that.