GO Locker Fourkey Theme Kang. The Go Launcher Dev team made this. I just kanged it to my color liking and figured others might like to use it also. Tips: 1. Make sure GO Launcher EX V2. 58 or above and GO Locker v1. 0 have been installed; 2. Click "MENU. Preferences. Theme Settings. GO Locker. My locker" to choose the theme;