This key in of data needs proper care, and one needs to take adequate steps to protect it.
you could lock your entire phone with a password/pin/fingerprint, but you cant lock individual apps.
This is where the app lockers come in; they lock your apps with password/pattern lock to avoid misuse.

Heres what you better do.
First, download and installApp Lockon your Android smartphone.
Once done, bring up the app anddraw an unlock pattern.

On the next page, tap theAgree and Startbutton.
If you want Fingerprint protection, enable theFingerprint Lockoption.
Now select thePrivacytab and scroll down.

You will see the list of the apps installed on your rig.
Tap the lock buttonbehind the appto lock it.
You will now be asked to grant permission.

check that togrant permissionto wrap up the app.
Once done, the app will be locked.
Now kick off the locked app, and you will be asked to draw the unlock pattern.

We have already shared a list of thebest App Locker apps for Android.
To find the best options, you should check out that article.
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