Key AppStar cases: Sberbank — mobile Gemba inspection (91% savings), Kawasaki — IT modernization (40% cost reduction), Porsche Design — process automation (3x speedup), RESO — insurance policies (200K+), Bizdin Forma (KZ) — WhatsApp bot + Paloma 365, Brazil — ISO 8583 payment system, 3PL — GPS fleet tracking.