Google Wallet, Android Pay and Pay with Google will now all become Google Pay; this way the company can better brand their products and make it less confusing; Google has launched a number of products in the last 10 years aimed at different payments markets and found varying degrees of success; they hope ensuring the same brand for multiple layers of products will help to cut down on confusion and hopefully help them to build a better customer experience to compete with the likes of Apple Pay and Samsung Pay. Source.
