I want more fairness in casual games with friends
Can you explain what you mean by fairness?
The other players always show off that they're a lot better than me.  Their skills makes me lose a lot
I agree with you, there's nothing wrong with wanting games to be fair when playing with friends. Fairness benefits everyone who plays.  But as long as they're not cheating, then the game is fair.
In that case, if there's anything I want, it's to win. Fairness isn't really important to me in this circumstance.
I can understand your frustration, but you should be aware that even games played for fun reward skill.  The better player should be the one who wins, so if your friends are winning, you should try a new game.  Ideally, it should be a game that none of you are familiar with.