SpaceTime Vortex for Android Free GRAK Software Android Version 1.1 Full Specs Visit Site External Download Site Publisher's Description From GRAK Software: Travel through space and time with this SpaceTime Vortex live wallpaper. Be Doctor Who (or Inspector SpaceTime), grab yourself a companion and explore these features:- (Almost) Infinite tunnel. Will it ever end?- Lightning bolts.- Customizable flight speed and lightning frequency (in wallpaper settings).- Customizable max frame rate to save battery (also in settings).- Customizable vortex and lightning color (also in settings).NOTE: This live wallpaper will work best on newer phones/tablets with decent 3D support. For reference, it gets max 40 FPS on the original Samsung Galaxy S.Have comments or questions? Feel free to email firstname.lastname@example.org. How can you tell if an Android app is safe?