#This SEGA handheld gaming console doubles as pocketable digital calendar
Handheld gaming propped up in the form of Merlin console with interchangeable cartridges way back in 1978. The trend for handheld gaming consoles was later sparked by Nintendo Game Boy in 1989. Then SEGA jumped into the bandwagon with Game Gear, its first ever handheld in 1990 and followed it up with the Genesis Nomad…