The truth is that Google Wallet is a virtual wallet on your phone in every sense of the word. Even if a system doesn't officially integrate with Google Wallet, you can often add it manually using the Everything else option. Related 9 Things You Can Put in Your Google Wallet Besides Payment Cards Google Wallet is primarily used to digitally store your payment cards, but it can be used for so much more than that. Thankfully, Google Wallet gives you an easy way to keep them handy when you need them at the gate. Google Wallet isn't just a payment app—it's one of Android's most useful appsIf you've only ever used Google Wallet for payments, it's time to explore what else it can do.