There are really no wild kittens other that ones that are like lions. But if you want to feed a alley cat you should put some food on the ground and the walk a little but away. You should not try to pet it because it could be very sick, or meen, or even have rabies.
How to feed a wild kitten.
get one as a kitten, hand feed it sometime, give it gentle frequent attention
Fill a pipette with baby soy milk formula (or kitten milk) and feed it to the baby mouse every 1-2 hours
Wild baby rabbits can eat rabbit pellets, hay and carrots when they are two weeks old. Before that you should hand feed them.
You can feed them kitten milk replacement, which is available at most pet shops. As they grow older you can try soaking bread in the milk and feeding them that until they can consume solids.
you can give your kitten cooked chicken and turkey.
Try raising it a little to reach the mothers teat and try hand feeding kitten milk supplements yourself from time to time. Check with a vet for more details on this. It may be the case that you will have to hand feed the kitten completely.
Feed your kitten now.
there are spacial kitten foods.
yes you can but it will not give the kitten the nutrients it needs
yes
KMR or kitten milk replacer ring a vet and ask for some you will need to bottle feed it
no that's nasty