If you've completely removed yourself from the Apple hype cycle and seeing as you're reading an Android-centric site right now, that's totally fair the entire iPhone 16 series contains two buttons ...

Android in 2006. Version 0.91 of the Google's project definition for Android, completed July 6, 2006, was not an open document. It is labeled "Google Proprietary" and "Highly Confidential." ...

The app tweaks your volume buttons for things like turning on the flashlight, sending messages, and running apps. Use QuickClick to add extra 'buttons' to your Android device - CNET X ...