No, Rockstar games don't release demos for games.
gba games is game boy advance games but gta is grand theft auto which is a really awesome and cool game there is gta 4,gta vice city,gta san andreas etc.
C:\Program Files (x86)\Rockstar Games\GTA San Andreas
Yes
The games have sold for as low as that
Yes, there is a cheat for San Andreas to get a helicopter. There are cheat codes developed for most video games. San Andreas is part of a series of games called Grand Theft Auto.
No, they are two separate games.
Not yet
No you can not.
Only selected games can such as Halo, Fable, and GTA: San Andreas.
Rockstar games corporation have invented GTA San andreas. Their distributors are rockstar north. They had earned US $25 million only from san andreas.
you cant , that's ridiculus, there two diffrent games