Many head units are imported with Chinese set as the default language, or with region-locked app stores. Flashing a custom or international firmware version can change the default locale to English or other preferred languages and install the Google Play Store correctly.
Third-party developers often create "custom ROMs" or optimized firmware for the MTK 8227L. These versions might remove bloatware, improve the UI (User Interface) lag, and speed up boot times compared to the factory stock image. mtk 8227l firmware