Bluelight filer is very popular android app which reduces strain on your eyes. Especially this app helps a lot during night time by optimizing correct light intensity.App is small in size (1.4 MB) and it has been downloaded by over 10,000,000 users worldwide. So, if you are new to Bluelight Filter, then you can download it absolutely free today without paying a single penny. Actual price of this product is 85 Rs but after downloading it from below link, free version will automatically change to premium.
Note that this offer is only valid for today 16 November 2014, so be fast to grab it.