As many Android phones lack SD card slots, reading such cards requires an SD card reader. Check out this list of devices recommended by users.

These cards may physically look the same, but they'e all very different. At first, choosing an SD card to go in your camera ...

You can move pictures to an SD card using a PC, Mac, or Android phone, as long as you have the right card and equipment.

This article runs through how to move apps to an SD card in Android, just in case you'd like to free up space on your smartphone for more important things.