lock app suggest

[Minajo]

i want to lock my apps on Samsung s8 with android 7

there is any features in android 7 to lock apps
or i need to install software form play store

and i need please tell me good apps to use it

[Slayer1]

Update your phone to experience version 9.0. it has applock

[mk1373]

where

[applock1]

yes, where is it?