When we are in nightclub or pub or public events gathering, even if we set our smart-phone volume to highest it is unlikely we can hear when a phone call or SMS come in. Hence most people put to vibrate mode so when it vibrate in our trousers pocket we know a phone call or SMS has come in.This app serves that purpose and a bit more. It allow you to configure the vibration pattern in such a way you can know the vibrate pattern means phone call or SMS. E.g we can configure for phone call to vibrate stop 1 sec, vibrate for 5 sec then repeat all over again. For SMS, we configure to vibrate stop 1 sec, vibrate for 2 sec then repeat all over again. The different vibrate pattern will allow us to know if it is a phone call or SMS. Besides repeat all over again 'forever', you can set say the vibration last for say 15 secs.To configure, tap Start to start the Diff Vibrator Service. Select the different vibration settings for phone call and SMS. Call/SMS vibrate pattern allow you to set '