A free program for Android, by Qset Inc.

Color Call Flash – LED Flashlight for Call and SMS is a very useful application for those who like to have a lot of fun and enjoy their time. If you’re someone who’s always afraid of missing a call or an important message, then this app is perfect for you. It allows you to customize the caller screen in a number of ways. First of all, you can change the background and color of the caller screen. If you want to make it more fun, then you can add some effects, such as an LED flash, which will make the caller screen more noticeable.