You Can earn ETN by Minning On Your Android..
ETN price is quite low and This App drains Battery Quickly
Mining Hash Rate is quite low And Waste of Time.
It crashes A lot In Android One And Harms Device
My Suggestion---If you want to earn Good Amount of Money By Mining,Then ETN APP is not best..Overall If you want to earn,You should Buy it cause ETN will pump soon..Cheers!