App Guardian (org.jastrzab.guardian) on Google Play
App Guardian (Applock)Program allows you to lock or block access to selected application, access may be obtained by selecting pattern or PIN.Program is working in different way than ordinary Applocker, doesn't terrorize user by requests entering password, works only when needed, login session is reset by screen or optionally by countdown timer, program always is trying to determine whether screen lock is really need it. ● Password or pattern have to be saved not only entered ● If you notice anything unusual, please let me know first, my email address is at the bottom of this pageWARNING for Lollipop users, In order to work properly app need to have access to usage statistics, also icon is new to fit Material designFEATURES: ● blocks access to selected applications ● add applications from list ● add application from screen ● two types of screen lock, pattern and pin ● session mode, single login for all applications ● ability to set wallpaper or live wallpaper instead solid color as background, may not work on all devices ● reset login after screen turn off ● reset login when application window disappears ● reset login after time ● reset login by clicking on notification ● reset login by clicking on widget ● blocking access to programs relevant to device safety, such as System Settings, Google Play, Application Installer ● ability to change lock screen style ● ability to remove launcher icon, to restore icon go to application detail in system settings and click on "Manage Space" ● vibration/beep feedback ● changeable visibility of pattern elements ● event log, whether user obtained access to application and when ● top bar can be visible or hidden, not available if using wallpapers and compatibility mode is off ● navigation bar can be visible or hidden, only for Android 4.4 and above ● application can become device administrator ● screen lock animation ● import/export applications list to file ● random keypad layoutATTENTION: ● If wallpaper is displaying incorrectly go to Advanced section in Settings and mark Compatible mode ● Notification shows authorization state for system, not for activity that is currently visible, manual authorization reset has no effect on the currently displayed window, as long is visible ● Before first use you have to create pattern or PIN ● App can be only installed in internal memory, because removing removable storage can be used to bypass lock ● If application cannot be removed, probably because is signed as Device Administrator, you have to go to Preferences -> Security -> Device Administrator -> find app and remove selection then uninstall app