Android fragmentation for a mobile game — what MIUI, One UI, EMUI, and Oppo/Vivo battery savers break
«Works on Pixel, crashes on Xiaomi, different bugs on Samsung, no Google Play on Huawei.» Complete 2026 fragmentation guide: 6 OEMs with their quirks, what breaks in games, the minimum QA lab, a checklist, and bug-report format.