you need a visual game boy to play it on your computer
If you can trade Pokemon from crystal version to gold version my guess is yes
Registeel doesn't exist in crystal version.
To trade Pokemon from Pokemon Crystal version to another version of Crystal you need to use a link cable. You can also battle this way.
Crystal version.
In Pokemon Crystal Version, a Heracross will occasionally appear when you use headbutt on trees.
Yes
in any version you need a masterball
It's play not pley, and the should play it because they want to and some woman may be better.
Yes, it can, but only if you have the gameboy version of crystal.
At the Radio Tower.
The strongest Wobbuffet you can find in crystal version are in Cerulean Cave, they might be a little hard to find though
No you can not.... Sorry.