App-based auto-rotation isn't built into Android, but here's how to make it happen
Why isn't this a built-in feature yet?

Over the past few years, Google has introduced plenty of useful features to Android, whether it's new security tools that protect your phone from theft or innovative additions like the ability to search by circling objects. However, despite all these new features, some basic annoyances remain, and one that still bugs me every single day is auto-rotation.