If you feel that the features of the LED-display, which is on your smartphone is not enough, you can reconfigure the LED color and flashing frequency. Just note that part of the notification can only be adjusted in the presence of root-rights. We are talking about applications such as Facebook, Facebook Messenger, Email, Twitter, WhatsApp and others. But it is rather exception to the rule, so setting the majority of alerts available superuser does not need (SMS, MMS, Gmail, battery status, battery charger connection, including Wi-Fi, Bluetooth, Silent mode, etc.).
In addition, the envisaged indikatra two modes: simple it shows only the first warning, and the so-called alternative all alerts alternate.