In this video, I will fully explain how to use a microusb otg cable for android smartphones and tablets and what the uses are for this cheap but fantastic little tool.
Basically, you can, using this otg cable, plug any USB device, like a flash drive or a keyboard, to your android phone or tablet ... watch the video for full details and demonstration.
You can a microUSB OTG Cable here: http://goo.gl/OMErP