This light fixture is designed to fit in a standard photo accessory mounting shoe. Revopoint used to sell a chassis that would hold the POP, battery, phone and LED light, but I cannot find it on their website nor on Amazon.
If you have this kit, https://shop.revopoint3d.com/products/power-bank?variant=42266285015275 , the cylindrical battery pack that doubles as the hand grip has a 1/4" female thread at the bottom that will allow an additional mount (say, something like this, https://www.amazon.com/UTEBIT-Straight-Speedlite-Compatible-Photography/dp/B07PTQXS79/ref=sr_1_4?keywords=1%2F4%22+mounting+shoe+camera&qid=1651267434&sr=8-4 )