AppLock

If you want to protect apps on your Android smartphone from prying eyes, AppLock is an excellent way to protect certain apps and other information on your smartphone.

AppLock's interface is pretty simple. When you open it, you have to enter information to make your smartphone more secure, creating an unlock pattern and a PIN so the app can verify your identity.

Once you've done this, you can select the apps you want to protect. All you have to do is mark them one by one, and then they'll be protected by the app automatically.

With AppLock, you can make your smartphone extra secure. It's a great way to add as many unlock patterns and codes as you want to keep others from accessing your files and information.