Hot Valentine Theme Apex/GO Launchers Theme. It is an Apex- and Go- Launcher Themes i. E. It will work on either or both launchers. The Theme includes 3 wallpapers, clock and package of icons. Apex Launcher: Install Apex Launcher. Install Theme. Tap on "Apex Settings". Choose "Theme Settings". Select the Theme and apply it. GO Launcher: Install Go Launcher. Install Theme.