A variant of the Snake game for the Nokia 6110, using the infrared port, was also the first two-player game for mobile phones. Snake (and its variants), that was pre-installed in most mobile devices manufactured by Nokia, has since become one of the most played games and is found on more than 350 million devices worldwide. In 1997, Nokia launched the very successful Snake. The earliest known game on a mobile phone was a Tetris variant on the Hagenuk MT-2000 device from 1994. The term also refers to all games that are played on any portable device, including from mobile phone ( feature phone or smartphone), tablet, PDA to handheld game console, portable media player or graphing calculator, with and without network availability. A mobile game is a video game that is typically played on a mobile phone.
