Screen Off and Lock allows you to switch off your devices from:
1. Launcher shortcut
2. Launcher widget 1x1 - 4x4, resizable in Android 4.0+ (Also available in lock screen for Android 4.2+)
3. Notification
4. Floating button over all apps! (Double tap to use it)
5. Search button (if your device has it)
Other features:
1. Screen off animation (including the most famous Old TV style)
2. Screen lock/unlock sound effect
3. Screen off vibration
Notes:
For those who cannot see the screen off animation even the app is reinstalled, please follow the procedures below:
Android 4.x: Go to "Setting > Developer options > Transition animation", and then select 1x for this option.
Android 2.x, Make sure you selected the option "All animations" under "Settings > Display > Animation".