Good Lock
Good Lock is Samsung's official customization suite available through the Galaxy Store. It contains modules like Theme Park, Home Up, and LockStar that unlock deep Samsung device personalization.
Good Lock is a collection of system customization modules made by Samsung. It's essentially Samsung's answer to the customization gap between stock OneUI and what third-party launchers offer. Each module controls a specific aspect of your device.
Key modules for home screen customization include Theme Park (custom themes and icon packs), Home Up (home screen grid, folder customization, task switcher), and LockStar (lock screen layout). There are also modules for the notification panel, navigation bar, and system-wide routines.
For applying One4Studio icon packs on Samsung devices, the Theme Park module within Good Lock is the primary tool. It lets you apply any installed icon pack to the OneUI home screen and app drawer without switching to a third-party launcher.
Tip: Good Lock is a Galaxy Store exclusive and isn't available in all countries. If it's not available in your region, search for "NiceLock" or "Fine Lock" on the Play Store — they provide access to Good Lock modules regardless of region.
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