Here is a really cool way to build a small network using your android device, you will probably need root for this one.
Create A Micro Network With Your Android Smartphone (via Dice News in Tech)
Lots of applications let you connect a notebook or tablet to the Internet through your Android smart phone using 3G and 4G. It’s commonly known as tethering and is very handy, especially when you’re away from a WiFi connection or in “roaming-portable” mode. I use the Portable WiFi Hotspot from…
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