Back in the day hardware often came with demos, or full versions of games. This one came with Leisure Suit Larry in the Land of the Lounge Lizards, but you could trade it in for a game suitable for younger players such as Kings Quest V or Mixed Up Mother Goose.
The Pro Audio Spectrum cards were not Sound Blaster 16 compatible, but most games at the time supported it. It is Ad Lib compatible but only in mono. Some features that made it stand out was the FM Music (Dual OPL2 Chips) and PC Speaker emulation. The Pro Audio Spectrum was also shielded from interference which the Sound Blasters were not. This gave Sound Blaster some healthy competition.
Media Vision filed for Chapter 11 bankruptcy in 1994, CEO Paul Jain stepped down, and the company was investigated for security fraud. Jain ended up with 27 counts of financial fraud in 1998.
Sources:
https://www.dosdays.co.uk/topics/Manufacturers/mediavision.php
https://en.wikipedia.org/wiki/Media_Vision_Pro_AudioSpectrum