1.you can use applock from the play store its a third part app which is adfree...and set a fingerprint for everything you need.
2. you can use the secure folder by copying it in to the secure folder app and deleting app from the menu.. then when you unlock the secure folder then only the apps will be visible.
3. you can aslo use goodlock app which is available in the galaxy store and it is samsungs own app which is very optimised for all these features.
