If you happen to own an Android-based phone or tablet, and you also happen to enjoy playing games with a real gamepad instead of on-screen controls, then you are in luck.
There's also now an official app on the Google Play store! Check it out here. You can even launch your games directly from the app, making it more like a console experience.
The list can be sorted, and entries includes a screenshot taken from the Google Play store. The list is hand-curated by yours truly, but updates can easily be submitted if you notice a problem.