I have a Galaxy s4 T_T, it will be coming out later for mine I think (Q1 2015 I believe)
But since you have it, I got a question, can you check to see if they removed the Gallery App on Lolipop?
PC Specs: CPU: 7800X3D || GPU: Strix 4090 || RAM: 32GB DDR5 6000 || Main SSD: WD 2TB SN850