Google is merging together two of its major wallet payments methods to Google pay. It has been 2 years since the launch of android pay. It used NFC and HCE technology to pay money to venders via linked credit od debit card. Google wallet on other hand mainy featured mobile to mobile transfer of money which coud be linked to your account. Now users can pay vendors as well as other mobile users with the help of single app.
First time users will have to download the google pay app from app store while the current users of andriod pay will get an update within short period of time. The theme of the new app is similar to the previous gen andriod pay with use of material design extensively. Reports suggests the update will roll out steadily through devices.