Phone Guard

Guard your phone from getting picked up by others while you are sleeping or your phone is away. When ARMED anyone trying to pickup the phone the phone with start sounding an alarm. A 10 sec delay gives you time to arm and keep the phone away.

You can choose from three levels of sensitivity - high, medium and low. If you set your phone on high sensitivity it can even detect an earthquake and vibrations if it is kept on a hard surface like table top.

Choose from three default alarm tones (Sound 1, 2 & 3), well if you do not like the default tones select a ring tone (Choose Ringtone to select) from the phones available list.

This is a version that is free and will work for 10 days. Please buy Phone Guard Pro which is a licensed version and does not have pop up dialog box.
https://play.google.com/store/apps/details?id=com.phone.motionguardpro&hl=en