Lenovo Pocket Projector
This small device from Lenovo 0992, allows a user project streaming video from a phone to a wall or other surface with a maximum width of 110 inches. It has two built-in speakers and a battery that lasts 2.5 hours (in case you have an urge to watch an entire feature-length film on the spot). It connects to a device with a microUSB cable or communicates wirelessly, and is about 4 inches long and wide, and an inch thick. It will go on sale in May for $250.