A free program for Android, by Mida Inc..

Flash call-flashlight on Call and SMS is an Android call and SMS alert app that will notify you of incoming calls, SMS, and notifications from your selected application. It has a very simple design and user interface, which lets you customize the alerts according to your needs. It also has a flashlight option that lets you quickly find your phone in a dark place or in a meeting where the ringing is causing a disturbance.

The flashlight option lets you turn on the flashlight and use it as a notification light, which is very useful in a dark place or in a meeting where the ringing is causing a disturbance.