Appdefender (app lock) app for android description: App protector application.
App defender prevents activation of applications by a passcode to protect your privacy.
It requires a passcode at starting up applications so that other people cannot get the information you do not wish to reveal such as browser history or e mails.
Unlike the passcode of mobile phone itself app defender can set a passcode for each application.
When a wrong passcode is entered 5 times and take photos of the intruder..
Please if you want to set strict guard below.
Set markets app with uninstall feature