GTA Advance is the Game Boy Advance entry in the Grand Theft Auto series, released in 2004 and set in Liberty City a year before GTA III. It returns the series to the top-down view of the first two games: you drive, you take missions from a cast of criminals, and the city is open between them.
This page runs it through a browser Game Boy Advance emulator, so it's the actual handheld game rather than a remake. It's compact by GTA standards — the missions are short and the map is a fraction of a modern entry — which suits a browser session well.
Yes — it was released for the Game Boy Advance in 2004 by Rockstar, developed by Digital Eclipse, and is set in Liberty City shortly before the events of GTA III.
Through a Game Boy Advance emulator compiled for the web, which runs the original game file in your browser with no download.
Yes — the emulator is light and runs in the browser with nothing to install.