Starting today, you can send and receive money through the Gmail app for Android. This works because of a tie-in with Google Wallet, which was previously only available in the web version of Gmail. To use Google Wallet for sending money to a friend, just tap on the attachment icon when composing a message to him or her in Gmail, then select Send money, choose the amount in the Google Wallet pop-up that appears, and send the message. The payment will be shown as if it's an attachment in your email. You can use almost the exact same steps to request money, though you obviously need to pick...
Source: http://www.gsmarena.com/gmail_for_android_gets_support_for_sending_and_receiving_money-news-23957.php
