The keyboard can move the text-insertion cursor, too. On an iPhone, press and hold the space bar until the keyboard dims, and then drag your finger to reposition the cursor on the screen. For the ...

Android’s built-in screen magnification tool can enlarge either the entire screen or just a portion of it. In the full-screen mode, you can pinch with two fingers to zoom and swipe to pan ...

Android users often believe that their smartphone’s on-screen keyboard is their only input option, but in fact they have plenty of good choices. Plus, it’s easy to switch from one input option ...