Light flow - LED&notifications

Want to try this which just hit the top 100 paid app on my galaxy note.
But my phone does not have LED light notifications, not much use for me.

https://play.google.com/store/apps/details?id=com.rageconsulting.android.lightflow

Aim of the site

Aim of this site is to:
1: BUY an app from google play and test it within the 10 minutes period and refund.
2: Review free app
3: Review hardware
4: others