DIY HOW TO MAKE a Smartphone Projector! *it really works*

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Smartphone projector! – LobeStir

Build a Smartphone Projector With a Shoebox : 17 Steps (with Pictures) - Instructables

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How to build the ultimate DIY smartphone projector

Cheers.US Portable Mini Projector Compatible,Smart Phone Projector Makes a Fun DIY Project

Mini Smart Phone Projector DIY Cardboard Home Theater Cinema for Android iPhone

Smartphone Projector: Transform your mobile device into a big screen.