it doesn't have a meaning, it is just to try your luck for items and if all numbers match you get a master ball, hope this helps
you cant but you can trade it from ruby, sapphire, and emerald or use the action replay.
no
Google: How to clone pokemon in pokemon emerald. Be warned, this may ruin the fun for you, and it does work. Be very very careful. Think of it as a last resort, once you have had all the fun you can in emerald, then use this cheat.
If you Pokemon is infatuated by your oppenent you can use this in battle to stop your Pokemon from being infatuated.
You can use gameshark to create shiny pokemon, but I don't prefer cheating.
you don't get the master ball from may in emerald, you get it in the team aqua/magma hideout in lilycove. that is the only way to get a master ball , unless you win the loto ticket drawing or use an actionreplay or gameshark.
NO you can not play Pokemon emerald in Coloseum.
you use pal park to get emerald Pokemon to pearl bur you can't transfer them back to emerald
No.
you can use it to awaken your pokemon in battle
no no
Dawn stones aren't available in Pokemon Emerald. Use Mystery Gift.
I dont have Emerald but I think Lombre does.
your mother
to evolve Pokemon
No
No