That's why,it can be define as Galaxy Applocker.
What is more, it provides plenty of features that help to specify, this application is really outstanding which are :
1) It offer secret Pin in order to protect your apps.
2) Easy to utilise and understand.
3) Inventive Graphics and user friendly Interface.
4) It Gives Various Themes with different shapes(Squre,Round,heart,Pentagone and so on).
5) User can pick enormouse 3D colorfull background.
6) If user forget the password,it can be reset by user's Email ID.
It is really febulous application with awesome designing to protect user's personal data.