SPOILER ALERT:
When you are presented with the choice to make a Deal with Dimitri Rascalov or take Revenge upon him. The Deal option means at Roman's wedding, he is killed. The Revenge option is an alternative, where Kate is killed at Roman's wedding.
as soon as you get to drive roman yes you can
No, he lives to fight another day.
cj isn't even in gta 4.its niko
no but some do on some missions you choose who dies!
not on gta iv because roman is your cousin & im in alderny city iv'e got a safehouse there
You can wait till he calls or you can call him to do things earleir but play far enough and you can do taxi missions for him
nope, you can't be god in this gta sadly.
there is no hovercraft in gta4
by beating all the mission before it, and waiting until roman and kate call you. if you want kate dead, revenge, if you want roman dead, deal.
check them out on the garage at gta4.net.
roman will give u his old one then later on in the game playboy x will give u a better one
you can't use them until you do logging on (mission) from roman. after that there should be a @ sign on your map. go there and there you go. DON'T FORGET,