For Galaxy customers, true cellphone customization is made full with Good Lock. For the reason that newest One UI 7 replace, the app has drawn widespread consideration for its broader and extra versatile vary of customization options — cementing its standing because the go-to platform for creating a very tailor-made Galaxy expertise.
However which Good Lock options are customers loving probably the most?
The primary a part of this sequence explored the Residence Up module. On this second installment, Samsung Newsroom unveils the highest three hottest options.1
Good Lock’s No. 1 Function: Sound Assistant
Ever wished the quantity could possibly be tweaked just a bit extra exactly when listening to music?
Good Lock’s Sound Assistant was designed to deal with precisely these on a regular basis audio frustrations. The characteristic has surpassed 21 million cumulative downloads since its launch, making it probably the most broadly used module within the Good Lock suite.
Sound Assistant permits customers to fine-tune quantity ranges in increments from one to 10, enabling exact management for an optimum listening expertise. The amount panel’s look will be personalized, delivering satisfaction not solely to the ears but in addition to the eyes.

▲ Sound Assistant
Customers can handle quantity settings for particular person apps, assign the quantity buttons to manage media quantity as an alternative of ringtone quantity and stop media quantity from lowering throughout navigation use — eliminating minor inconveniences tied to non-public preferences.
These refined but impactful components make Sound Assistant a standout characteristic that delivers significant enhancements to the on a regular basis audio expertise.
Good Lock’s No. 2 Function: Theme Park
Theme Park, a characteristic that lets customers personalize varied consumer interface (UI) components of their smartphones with customized themes, has surpassed 17 million cumulative downloads.
Curating a classy theme however not sure how to decide on the precise shade mixture? Theme Park makes it simple to craft a visually cohesive and balanced look.
Customers can customise the colour scheme of particular person UI elements — together with the keyboard, fast panel and messaging interface — or let the characteristic routinely generate a harmonious palette based mostly on a particular background picture. This intuitive software permits even these with out design expertise to personalize their system with ease and magnificence.

▲ Theme Park
With the One UI 7 replace, superior customization choices have taken creativity to the following stage. Customers can now personalize not solely app icons but in addition the form and shade of dwelling display screen folders. For these trying to design customized icons and folder kinds, the Create Icon Theme characteristic inside Theme Park presents a easy but highly effective method to deliver a novel aesthetic to the house display screen.

▲ Customise the look of dwelling display screen folders with One UI 7.
Good Lock’s No. 3 Function: One Hand Operation+
Rating third among the many most-used Good Lock options, One Hand Operation+ has confirmed its practicality with greater than 16 million cumulative downloads.
This characteristic permits customers to carry out incessantly used smartphone capabilities with a single thumb gesture, making it notably useful for multitasking all through the day. Whether or not holding a drink in a single hand or navigating by way of a crowded bus on the best way to work, One Hand Operation+ ensures customers clean, easy management of their system.
The software helps each left and right-handed customers and permits particular capabilities to be assigned to horizontal, vertical or diagonal gestures. As an illustration, a left horizontal swipe could possibly be set to “Again,” a proper downward diagonal swipe to “Residence” and an upward diagonal swipe to open “Latest Apps” or launch AI Choose.

▲ One Hand Operation+
Customers can additional customise and refine gesture management settings to match their preferences and utilization patterns. Choices embody adjusting the contact recognition vary and gesture vibration depth, excluding particular apps from gesture activation and even configuring gestures for the S Pen.
This characteristic is very helpful in busy day by day routines — an underrated but highly effective functionality that delivers distinctive comfort with a single, easy gesture.
This overview of the highest three hottest Good Lock options highlights the customization capabilities Galaxy customers depend on most of their day by day lives. With many capabilities nonetheless left to discover, nonetheless, Good Lock has way more to supply.
Within the third and last installment of this sequence, Samsung Newsroom will share knowledgeable ideas and proposals from the Good Lock growth workforce.
1 High three most downloaded Good Lock options since its launch, based mostly on cumulative downloads as of early March 2025.