While fitting a tablet with a 7” or 8” screen in your pocket used to be unthinkable, foldable phones make it possible these days. But can foldable phones fit a 50” screen in your pocket? That would have to be some crazy origami design. Yet a clever little phone from 2010 managed to do just that – the Samsung I8520 Galaxy Beam had a built-in DLP projector that could indeed create a 50” image on the wall. The room would have to be very, very dark and the image quality wasn't the best, but it was possible. The Samsung I8520 Galaxy Beam This is because the pico-projector could only...
Source: https://www.gsmarena.com/flashback_the_samsung_galaxy_beam_put_a_cinema_in_your_pocket_with_its_builtin_projector-news-49464.php
