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The projector can beam whatever is showing on-screen — be that web pages, a movie, streamed content or the product of any application. Samsung also provides a range of software utilities, including Quick Pad, with which you can draw on top of whatever the screen is showing, and Visual Presenter, which shows what the rear camera can see — effectively turning the Galaxy Beam into an overhead projector. Ambience Mode offers animations or video and photographic slideshows for relaxing backgrounds, and you can even use the projector's 15 lumens as an ultra-bright torch.
The projector inevitably takes a heavy toll on battery life. You'll probably get no more than three hours of projected data from the Galaxy Beam's 2,000mAh cell, and the average day between charges under ordinary (no projection) use. Fortunately, Samsung supplies two batteries.
As for the rest of the device, Samsung has produced an upper-mid-range smartphone. It's disappointing to see Android 2.3 (Gingerbread) here rather than Android 4.0 (Ice Cream Sandwich), but at least there's a dual-core 1GHz processor to speed things along, plus 8GB of internal storage and the aforementioned side-mounted microSD card slot for adding extra storage capacity.
The 5-megapixel rear camera has a flash unit, which is good, but the 4in. screen's 480-by-800-pixel resolution is lower than we'd like.
All in all, the Samsung Galaxy Beam is a great idea, but it needs work. There's a real 'wow' factor to a smartphone/projector, but 15 lumens isn't enough for this to be a viable professional's tool: currently, it's more of a handy standby than a main projector.