Xiaomi has 11% of globalk market share up from 4% in 2018? Apple has 33% global share for reference.
Oppo, Vivo and Huawei share another 14% between them. Bringing China's market share in the global phone market up to 25%.
People don't give a shit about whether it has Google Play or not. It has an appstore with content on it, they're fine with it as long as they have access to other apps that do what they want.
They are still sold in Germany, however the OS is a clone of Android without any Google services. From my observing at the... electronics store phone display, you can download these apps pretty easily from the inbuilt app store.