Yes. You can hook up a keyboard to my galaxy tablet.
You can sync music on an LG G2X Android phone by setting up an auto, or automatic, sync with another device such as a tablet or computer. Just hook up the cords.
2010 and up do
IF the printer has an Ethernet port then yes.
You dont
There are many retail locations that sell Android tablet accessories. One of these would be RadioShack. You can show up directly or call and ask them.
You can make your Brother mfc7860dw have Wi-Fi direct so you can print from your Android phone without an online connection you will need a phone to printer USB jack and a phone with a Wi-fi hot spot. Hook the phone up to the printer and activate the hot spot.
An android tablet should be able to pick up the wifi option on a wireless router. If it doesn't then one can always look to a place like CNET for a compatibility pack.
The new Android Tablet costs about $150 on online websites, such as Amazon and Ebay. But dealer or high-end tablets for commercial use could cost up to 200 to 300 dollars.
plug it in a USB port
plug the thingy into the thingy.
A to B USB Cable