This secret note-taking app is built into Gmail and Android phones. It’s similar to Apple Notes, one of my favorite iPhone apps. You’ll find Google Keep Notes in your app list on Android.

Discover secret features - Learn how to open hidden apps on a Samsung phone with our step-by-step guide for enhanced functionality.

On most Android phones, open the file manager, enable the option to show hidden files, then navigate to Internal storage > ...

Your phone might be running apps you never downloaded, and others could be hidden from view. Here's how to check what’s ...