In this contain i am going to share simple hacking trick to unlock locked app without password in android. Many people locked there "contact", "messaging" and many more app by this simple trick you can access your friend phone without a pattern lock or password.
Note: this trick work in every type of application lock app like "AppLock","Calculator Vault" and many more
you just have to know which app is use to lock app
let star this trick
- first go to the setting
- go to Apps
- click to app that is use to lock application
- click to Force Stop 
for more watch this video
