Royal Purple lubricants have entered the mobile app world with its new game iRev. The game challenges players to identify the sounds of a variety of high performance engines.
The game features drag racing-style "Christmas tree" starting lights that countdown to an engine starting. You then have 60sec to guess the car from a list of four options
It's free of charge and can be downloaded and played on any smart phone that supports Flash Lite software - a list of phones is available online.
Either download it free from the iTunes app store or visit