On the iPhone i think it's the 3rd option on the bottom.
Then you simply just scan the QR code of the private key with your camera and then it will add those coins into your wallet.
Which app you're talking about?
The important question here is: which app are you asking questions for. Its hard to help you if we dont know which of the 43950734095 [1] apps you are using.
[1] not an actual number of available choices.
My question was not for specific app. I need a general solution to transfer my coins from paper wallet to online wallet so that it can be send. No matter it be app, web or other other way.