Android apps for 1000 known and unknown hardware devices are hit and miss and Google Play unfortunately allows virtually every BS possible including joke apps doing absolutely nothing.
GMS and the PlayStore actually have methods and means to patch things to some degree outside of the Vendor and Chipset provider SDK's...
The big risk for Android is side-loading to bypass PlayStore - that and backdooring of bundled apps - good example here is in China, the keyboard app enhancements were recording and sending keystrokes back to Tencent and Baidu and that data was correlated back to the UUID - while that is a concern itself, consider that Tencent runs WeChat...
For some, that's a problem, because when you install and login to WeChat, the first thing it does is hoover up all your contacts and uploads them to the QQ servers...
Let's not not talk about TikTok - it's the same issue as WeChat - but on a larger scale, as it doesn't just look at your contact list, it looks at everything that you post, and they start correlating data based on views and likes...
It's all social media, so I suppose Threads/Instagram/Facebook Messager/Facebook (itself)/X (formerly known as twitter) and all the like, it's similar...
The only difference is the government that they are reporting in to...
Folks talk about the great firewalls of China, Iran, and Russia - but I'm concerned also about what's happening here in the US...