Free Find phone for SmartWatch (org.firespeed.smartwatch.findphonefree) on Google Play
”Find phone" call your phone.\nYou can look for the smart-phone in the bag or other.Your smart-phone sounds a ringtone when you tap Find-phone.Find-phone is useful even while the smart-phone was lock or sleep.Notice: Find-phone require connected smart-phone and Smart-watch by Buletooth, because Smart-Watch extension is ran on smart-phone.I recommend Android Device Manager when if smart-watch disconnected to smart-phone.This is free version.Professional version is:・No ad.(It mean you may not allow internet.)・Custom ringtone.