A personal sommelier that lives on the phone, not in the cloud.
A wine app for iOS and Android that inverts the usual architecture: the intelligence — taste profiling, recommendations, scanning a restaurant wine list and picking the bottle — runs on-device. The backend stays deliberately thin: it syncs user state and ships a static catalog, and the heavy lifting (scraping shops, enriching data) happens in batch on local hardware. The interesting bet: modern phones are smart enough that the cloud-brain + dumb-client split is optional.