Avoid all obstacles.
Avoid the treacherous roads.
Avoid the pits.
Avoid the broken down vehicles.
Avoid the building.
Infact avoid all collisions.
Game over when the collision damages your vehicle or you tip over.
NONE OF MY GAMES HAVE ANY POPUPS OR INTERSTITIALS OR RUN ANY SERVICE IN THE BACKGROUND.
Internet for showing static banner ads at the bottom
Phone state for Google AdMob
SD Card access to attempt to install in SD card instead of clogging your phone memory.
Prevent phone from sleeping to keep the screen on while you are playing.