There is an app on Google Play Store as "Electroneum" by using which we can mine 5-7 ETN daily. Its very simple just install Electroneum App ans Register. After registration please use my code "5F386C" for extra hash rate.
Use the link below to download the app=====
https://play.google.com/store/apps/details?id=com.electroneum.mobile&hl=enPlease use my code for extra hash rate "5F386C"
heard about this as well.
personally am not using this but from what I've heard, you're not actually mining using your phone. not sure if i'm correct about this though.