Mator Dark is an icon pack. It is not a stand alone application, you need a third party launcher to apply it. ***Note*** Please check the following videos on how to setup your phone with Nova and Niagara launchers: Nova Launcher: https://www.youtube.com/watch?v=B0npv8Z5sW0 Niagara Launcher: https://www.youtube.com/watch?v=f3dvqiXTwC4&list=PLOvXK6kvTwvlCViyD1_BK3URZbPafQ5nN&index=4 What's included: ★ 4.919 HD icons (256x256) ★ 250 matching HD cloud wallpapers! ★ Launchers support: Action, Adw, AdwEX, Apex, Atom, Aviate, GO, Next,Nova, Smart, Solo... ★ Icon masking for un-themed icons ★ Dynamic calendar (For Nova Launcher) ★ Alternative icons to choose ★ Updates.