AppLock - Any personal data must be protected from unwanted persons, otherwise they will be able to do anything with them without your knowledge. Put a strong password code, a graphic key or a unique fingerprint, while additionally installing protection for each installed application on the phone. Thanks to this assistant, you can also hide photos or video files, they will only be visible in the Storage when you enter the set password. Even if someone spied on your input, you should not worry about this, since there is a function of random arrangement of numbers or an invisible graphic key inside.