There is little doubt that Google Wallet adoption will spike following Google’s unveiling last week of the new Gmail payments function, which relies on Wallet.

Despite this, a little-known (we might say mysterious) wallet seems to be enjoying far greater interest and appeal among Android users. If you haven’t heard of Droid Wallet, you are not alone.

Droid Wallet is the product, it seems, of someone named William Bruno, who also programmed an app called Strike Out Stats, which lets users track their bowling performance. Nevertheless, Droid Wallet has generated far better user scores than Google Wallet today. The alternative wallet has been downloaded more than 100,000 times compared to more than 5 million for Google Wallet.

I stumbled upon Droid Wallet as I looked at Google Wallet’s page. There among the “Users who viewed this also viewed” section, tucked between Visa’s and American Express’s digital wallet, was Droid Wallet. Its users gave it an average of 4.3 stars vs. 3.2 for Google Wallet. Droid Wallet’s users, while complaining about its crude UI, say it “executes its purpose.” Specifically, they like how the wallet automatically registers payments as expenses for tracking.

Droid Wallet offers something of a glimpse into the future, when a whole host of digital wallets will be available. We are officially in the Wild West Era of Digital Wallets, and it will only get wilder. I tried to reach William Bruno, for example, to no avail. That the purveyor of a digital wallet that presumably stores large sums of money cannot even be identified says something about payments today.

Gmail payments certainly changes the game for Google Wallet and Android, if not all payments. More than 425 million Gmail user accounts were active as of last summer, a number which puts to shame PayPal’s user base, for example. But underneath all those numbers is a sleepy digital wallet that a selection of Android users love. Expect more such wallets to pop up in the future.