Ultimate LED App
This is an simple and powerful application to manage the notification led for each application that you want.
You can select the speed and color easily, also you want configure notifications for Missed Calls or even for individual Whatsapp contacts.
This app is only valid for those devices that has a color notification led.
This app has been tested in several devices: Motorola Razr*, Galaxy Nexus, Samsung Galaxy S3, Samsung Galaxy S4, LG Nexus 4, Motorola X, HTC One, etc.
Unsupported devices: Nexus 7 (due to this device do not support multicolor led notification).