You will need Good Lock installed for this and can download it from the Galaxy Store and its plugins — including NavStar.
Step 1: Open Good Lock on your device, then tap NavStar
Step 2: Now, turn the toggle at the top of the screen to ON, then tap the New configuration button.
Step 3: Tap Button layout at the bottom of the screen. Then, tap Add button.
Step 4: You will then be shown all the actions you can associate to the new button. Select Screen capture here.
Step 1: Open Good Lock on your device, then tap NavStar
Step 2: Now, turn the toggle at the top of the screen to ON, then tap the New configuration button.
Step 3: Tap Button layout at the bottom of the screen. Then, tap Add button.
Step 4: You will then be shown all the actions you can associate to the new button. Select Screen capture here.
