If you want to mine electroneum - ETN, download the electroneum mobile app from Play Store and start mining. You can mine from 10 to 20 ETNs during 24 hours depending on your device speed of completing operations. The app will run in the background and will not slow down the phone or consume your battery.
The only thing required to mine is the internet connection.
The actual price of ETN is $0.0242921 or 0.00000279 btc and it is ranked 97th in CoinMarketCap with $164,531,848.00 market cap.
Good luck!