yes
Have wifi have your friends near you go on your world then tell them to press join game button then click on your name
you cant
you cant have a minecraft pocket edition username
no where they just show in it we cant get it
you cant
Fit in your pocket
if you created it right then they have to know you multiplayer server address to get to your multiplayer server
you cant!! stupid
you cant
You cant, buy a computer
No.You cant do that. ok
No you cant. Not on a single server. But you can by hacking the game.