There is no "best game" for black. You have to react to your opponent, no ifs, ands, or buts.
Anyone can help me?
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Trial and Error 
here are ruben fine's rules for the opening, it's a good starting point
OPENING RULES
1. Open with a center pawn.
2. Develop with threats.
3. Play knights before bishops.
4. Castle as soon as possible.
5. Avoid developing the queen too early.
6. Do not move the same piece twice without a good reason.
7. Use your minor pieces to fight for the center.
8. Maintain at least one pawn in the center.
9. Make as few pawn moves as possible.
10. Avoid sacrificing without a clear and adequate reason.
black always has the problem of being a little behind on something.The only thing i've found that can help to give you an advantage as black is try and make as many practical chances for white to go wrong.
The easiest way of doing this is to provide as many tactical chances for them to slip as you possibly can and,when you start to get to a higher lvl start setting natural traps for the opponet(traps that dont compromise your position).
When they slip take advantage of it and shore up your problems to make sure you dont lose the gift they just gave you.
Hi.... My name is Azam, from Malaysia. i have a problem with black. Can anyone can give any suggestion or tips what is the best game for black ? Thanks