Facts behind btc mining

Lots of people say that Btc mining is real and u can mine it through your android. Is this real or a scam.. Ok guys. Let me to tell you first thing that today competition is very high and btc mining is going tough and tough these days. So if u r thinking to mine Btc it need a lot of cpu usage and electricity. Sometimes u costs much as u mine. The other intersting facts i will twll you in next post.. Have a good day..