I feel like the previous MAF game was better, i liked the music more and the keys and chords seemed more synchronized than this version. Still enjoyable but a bit harder because the chords were missplaced in some areas.

Well, I kind of agree with supabamman's comment on your game. He's very precise about some points I didn't even realize (just because I've been lazy).
I want you to think of another issue here: It seems like the fingering patterns were also random; I could tell in some points that it was representing the "line" that the melody sang (although sometimes rhythms weren't precise), but it was continued by another rhythms that corresponded to some sort of drum set (so to speak), even in the same music section.
What I'm trying to say, is that, maybe you could make a likeable melody pattern in the chorus, different from the verses and stuff, and repeat it in every chorus. Also, there were some 'rap' sections that would work perfectly with rhythm patterns, like button "a" leads the pulse, while button "f" is a clap-clap, and the right hand makes another stuff; things like that; it was TOO random to lead to pleasure, in my opinion.

no.

Music and concept doesn't appeal to me. Hard as ... Not very original but not an awful game either. Nice effort

Let me start by saying that I get what this game is trying to do. That being said, this game was just not good. That sounds mean and I don't mean for it to be but in my honest opinion this game... not good. First of all, everything about the game looks like it was made in two minutes. A bunch of random pictures of...just stuff. Not in any specific order or layout. Just as if the maker of the game wanted something for the player to look at so he went through his pictures and splashed some all over the game randomly.
Secondly, the game is just not fun. I think the best way to make a game is to have it be fun to play. Otherwise, you just wasted time you could have spent doing something else. Now what I mean by it not being fun to play is that the game gives the player no drive or motivation to do anything. Hell, the game itself questions you if you want to play the game with the word "Play" with a question mark (which are everywhere for some reason) in the corner of the screen. When you actually start the game up there is no indicator that you are doing the right or wrong thing. No sound clip to indicate that you at least pressed the right button or anything. If it wasn't for a silent counter near the top of the screen I wouldn't have even known the game was working.
Third, the game works like one of those typing games from school that we used to play to learn finger placement. Not like this is necessarily bad, except for the fact that it seems like it is the only thing that works well in the game. Almost as if most of the thought was put into a single mechanic of the game and the rest was half-assed.
Again, I'm not saying this game is garbage. Because if I said that I would be a liar. I just think that there can be some improvement.