Boost 2 (Android) app for $0.99

"It was the best tunnel racer when it was originally released in 2009, and I'm having a hard time thinking of a better one that has been released since then" - Touch Arcade "I don’t consider myself a fan of racing games, but Boost 2 was a welcome change to my usual gaming fare." - AppAdvice "Lanis has crafted a beautiful tunnel-racer that makes its predecessor, Cube Runner, look crude by comparison" - Thumb Spree "Addicting Solid Tunnel Game" - itunesgames.net++