Niether you can play it online nor free because it would be a copyright violation to put it online.
To play online on GTA 4, you access your cell phone and scroll down the menu until it says multiplayer. Then you choose which game type you want to play and it takes you to the game.
When you purchase the GTA 4 PS3 game you play online in your PS3 for free.
www.glu.com\action\gta4
In mobile
You dont get to play it online
you can not
i want to play free gta san andreas
no
hv
you can download them from limewire its easy
yea
grand theft auto?
They're all free
yes
No
You can download some Grand Theft Auto games for free. Search on google for demo downloads or get a Bittorrent client or Vuze and download the games as torrents.