Space Tube Pro (com.vkcode.SpaceTubePro) on Google Play
*** without ads ***Space Tube is an accelerometer-controlled 3D racing game with fantastic graphics. Delivers a amazing tunnel experience. Test your reflex in an ultimate speed challenge with smooth 3D graphic. -How to Play- Select level and press start. Tilt you device to turn left or right. You have to avoid all the objects except the 'green plus'. Each time you have catch a 'green plus' you earn a life. (you can see it on the top-left side of the screen). If you crash on an object and you have life (pluses), then you lose one (plus). If you crash on an object and you have not any more life, then "game over".