A free app for Android, by Mobile ARTS.

This app uses a combination of a motion sensor and a battery to detect any kind of intruders who try to touch your device or remove the battery from it. It can also detect if your phone is moved.

You can set it to trigger an alarm whenever the motion sensor is triggered. You can also set it to trigger the alarm when the charger is removed from the device. It also has a PIN code and a fingerprint scanner. The PIN code is for extra protection. The fingerprint scanner is for identification.