This is not a stand alone app. It is a preset for KLWP Live Wallpaper Pro Key. First you need to download these apps: Nova Launcher Pro. KLWP Pro Key. Then: In nova select 1 page, hide/disable dock. In KLWP go to menu, load preset, and under 'Installed' choose SmoothHome. Set KLWP to 1 page. If your phone has Nav Buttons, go under 'Globals' and click on the Navbar toggle.