This is a submission for the Gemma 4 Challenge: Build with Gemma 4 What I Built photolens app icon Let me start with the moment that made this app inevitable. I am visually impaired. Last year, I went on a family trip to a remote, beautiful place — the kind of landscape people travel thousands of kilometres to stand in. My family was taking photographs, comparing shots, reliving moments as they happened. I had my phone. I pointed it in the direction of the excitement and pressed the button, not knowing what I was capturing. Later, I opened every AI accessibility tool I had on my phone. Every single one failed the same way: they needed the internet, and there was no internet. No bars. No WiFi. Nothing. I put the phone in my pocket and listened to the birds and the wind — the only part of that scenery I could actually access. I am a software engineer. The question that formed was not why does this keep happening but what would it actually take to fix it? PhotoLens is the answer.…