How about a pico projector? https://www.amazon.com/Projector-Artlii-iPhone-Pocket-Smartphone/dp/B01N8RBGPH/ref=sr_1_1_sspa?keywords=pico+projector&qid=1553185245&s=gateway&sr=8-1-spons&tag=duckduckgo-20&psc=1
and roll with this projector screen: https://www.amazon.com/Business-Projector-Screen-SIKIWIND-Inch/dp/B07G89P8HN/ref=sr_1_9?keywords=mini+projector+screen&qid=1553185381&s=gateway&sr=8-9