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 dock. In KLWP go to menu, load preset, and under 'Installed' choose AssistantHome. Set KLWP to 1 pages. Go to menu, and select 'Set as wallpaper', and click apply.