you need GTA 4 the complete addition, other whys you need both GTA TBoGT and GTA IV
you can't that's only for TBOGT. and if you seen a jetpack in gta 4 then it was a glitch.
You don't switch it within the Game, you have to select the game on the main menu yourself.
u cant unless u have the complete eddition u have 2 switch it yr self
you exit the game and go back into it off the dashboard or the XMB menu if ur on ps3 or xbox
No
No
NO
One
no, just tbogt.
No you can't
No But you can hav a gf.
Yes But No Parachute.