This model of mini projectors for iPhone has been around for very a while and is usually a excellent selection should you’re trying to find a little something little and compact.
The Kodak Luma 450 portable projector https://www.tuzkuz.com/products/httpswwwaliexpressusitem3256803882553346htmlspma2g0oproductlist002c2b75f43tlz7talgo-pvid60a94297-2c59-4f