SpookDroid Ambassador Jul 14, 2011 19,299 555 113 Visit site Apr 10, 2017 #2 Not in stock, but you can download 3rd party apps that do the same on the Play Store, or use apps for reading, like Google Play Books, that offer the blue filter function built into them. Upvote 0 Downvote
Not in stock, but you can download 3rd party apps that do the same on the Play Store, or use apps for reading, like Google Play Books, that offer the blue filter function built into them.