Many gamers, including myself, have owned a Sega Game Gear. Aside from the Atari Lynx and Turbo Express, it was one of the first portable gaming systems to offer a backlit color display — making its Japanese debut in October 1989. The system had over 240 games released when production officially ceased in 1997. Videos after the jump.
It was indeed superior to the Game Boy both graphically and ergonomically, however, its 3 hours battery time (compared to the Game Boy’s 10-35 hours) was a major weakness. The portable saw its first version of Sonic in 1991, which was to be the first of 10 Sonic titles on the system