And wow it's soo cool! Music, graphics (if you're also digging futuristic design), endless tunnel with crazy obstacles and all this stuff to upgrade your bike in the garage. Love it!
It's kinda challenging, but that's exactly what makes this game as good as it is.
Here's the link play.google.com/store/apps/details?id=com.avko.deathtrack_full
Hope you'll enjoy it as much as I did)