What coins can i mine through android mobile. It had around 2KH/s. I tries it by using many videos. Can i connect my phone to PC for mining
No, just don't mine with your phone... Really...
There are a couple miners in the android store, they'll make you not even dollarcents, they'll drain your battery in minutes and they'll burn your phone.
I used to "mine" mangocoinz, it was the only "minable" coin on your phone at that time. The coins were premined, and you got a couple of coins for running a light app on your phone. So you weren't actually "mining" them with your phone anyways.
I don't know if they still exist, and if their value is still high enough to make a profit tough.