if you want a mametchi-Get a boy and it can turn into any toddler you want or want to be. Get some of the pencils points by going to the turtle teacher and getting the pencil in the box or play the game shape.In a two days or less it will turn into a young Androtchi or young Mametchi. Keep giving it Pencil Points to have a mametchi in 2 or 3 days.(depending on when you got your tamagotchi).
Get a boy Tama for a Mametchi first. Try to get it in the Mame family then get Young Robotchi or Young Mametchi for a teen by having the most smarts points and carry on the smart tama by having the most smarts points when your Tama evolves into an adult.